Mixture of Urea + Water

Datasets

1. (Relative) activity (4)
2. Mass fraction (12)
3. η - Viscosity, Pa*s (4)
4. Apparent molar heat capacity, J/K/mol (2)
5. P_vap - Vapor or sublimation pressure, kPa (2)
6. ρ_l - Mass density, kg/m3 (26)
7. c_sound,fluid - Speed of Sound, m/s (6)
8. T_boil - Boiling temperature at pressure P, K (2)
9. Binary diffusion coefficient, m2/s (2)
10. Apparent molar volume, m3/mol (2)

(Relative) activity of Water (2) [ref]

Operational conditions:

• Pressure, kPa = 100 (Liquid)
• Temperature, K = 298.15 (Liquid)

Molality, mol/kg of Urea (1) - Liquid	(Relative) activity of Water (2) - Liquid
0.0000	1.0000
0.1140	0.9979
0.1936	0.9965
0.2848	0.9949
0.3966	0.9929
0.5081	0.9910
0.6051	0.9894
0.6864	0.9880
0.8137	0.9859
0.8799	0.9848
1.0319	0.9824

(Relative) activity of Water (2) [ref]

Operational conditions:

• Temperature, K = 298.15 (Liquid)
• Pressure, kPa = 85 (Liquid)

Mass fraction of Urea (1) - Liquid	(Relative) activity of Water (2) - Liquid
0.0477	0.9859
0.0508	0.9840
0.0535	0.9829
0.0589	0.9819
0.0730	0.9765
0.0876	0.9725

(Relative) activity of Water (2) [ref]

Operational conditions:

• Pressure, kPa = 100 (Liquid)
• Temperature, K = 298.15 (Liquid)

Molality, mol/kg of Urea (1) - Liquid	(Relative) activity of Water (2) - Liquid
0.0000	1.0000
0.1140	0.9979
0.1936	0.9965
0.2848	0.9949
0.3966	0.9929
0.5081	0.9910
0.6051	0.9894
0.6864	0.9880
0.8137	0.9859
0.8799	0.9848
1.0319	0.9824

(Relative) activity of Water (2) [ref]

Operational conditions:

• Temperature, K = 298.15 (Liquid)
• Pressure, kPa = 85 (Liquid)

Mass fraction of Urea (1) - Liquid	(Relative) activity of Water (2) - Liquid
0.0477	0.9859
0.0508	0.9840
0.0535	0.9829
0.0589	0.9819
0.0730	0.9765
0.0876	0.9725

Mass fraction of Urea (1) [ref]

Fixed		Measured
Temperature, K - Liquid	Pressure, kPa - Liquid	Mass fraction of Urea (1) - Liquid
333.15	101.00	0.7069

Mass fraction of Urea (1) [ref]

Fixed		Measured
Temperature, K - Liquid	Pressure, kPa - Liquid	Mass fraction of Urea (1) - Liquid
303.20	101.00	0.5721

Mass ratio of solute to solvent of Urea (1) [ref]

Operational condition: Pressure, kPa = 101.3 (Liquid)

Temperature, K - Liquid	Mass ratio of solute to solvent of Urea (1) - Liquid
308.10	1.488
313.10	1.601
323.10	1.987
333.10	2.438
343.10	2.964

Mass fraction of Urea (1) [ref]

Operational condition: Pressure, kPa = 100 (Liquid)

Temperature, K - Liquid	Mass fraction of Urea (1) - Liquid
308.15	0.5913
328.15	0.6914
348.15	0.7760

Mass ratio of solute to solvent of Urea (1) [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Temperature, K - Liquid	Mass ratio of solute to solvent of Urea (1) - Liquid
274.95	0.7021
283.45	0.8595
288.65	0.9688
294.15	1.101
298.65	1.208
303.65	1.351
312.85	1.641
323.25	2.05
333.15	2.592

Mole fraction of Urea (1) [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Temperature, K - Liquid	Mole fraction of Urea (1) - Liquid
283.45	0.2030
288.65	0.2219
294.15	0.2456
298.65	0.2632
303.65	0.2902
312.85	0.3314
323.25	0.3818

Mass fraction of Urea (1) [ref]

Fixed		Measured
Temperature, K - Liquid	Pressure, kPa - Liquid	Mass fraction of Urea (1) - Liquid
333.15	101.00	0.7069

Mass fraction of Urea (1) [ref]

Fixed		Measured
Temperature, K - Liquid	Pressure, kPa - Liquid	Mass fraction of Urea (1) - Liquid
303.20	101.00	0.5721

Mass ratio of solute to solvent of Urea (1) [ref]

Operational condition: Pressure, kPa = 101.3 (Liquid)

Temperature, K - Liquid	Mass ratio of solute to solvent of Urea (1) - Liquid
308.10	1.488
313.10	1.601
323.10	1.987
333.10	2.438
343.10	2.964

Mass fraction of Urea (1) [ref]

Operational condition: Pressure, kPa = 100 (Liquid)

Temperature, K - Liquid	Mass fraction of Urea (1) - Liquid
308.15	0.5913
328.15	0.6914
348.15	0.7760

Mass ratio of solute to solvent of Urea (1) [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Temperature, K - Liquid	Mass ratio of solute to solvent of Urea (1) - Liquid
274.95	0.7021
283.45	0.8595
288.65	0.9688
294.15	1.101
298.65	1.208
303.65	1.351
312.85	1.641
323.25	2.05
333.15	2.592

Mole fraction of Urea (1) [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Temperature, K - Liquid	Mole fraction of Urea (1) - Liquid
283.45	0.2030
288.65	0.2219
294.15	0.2456
298.65	0.2632
303.65	0.2902
312.85	0.3314
323.25	0.3818

Viscosity, Pa*s [ref]

Operational conditions:

• Molality, mol/kg = 1 (Liquid)
• Pressure, kPa = 101 (Liquid)

Temperature, K - Liquid	Viscosity, Pa*s - Liquid
308.15	0.0006
318.15	0.0005

Viscosity, Pa*s [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Molality, mol/kg of Urea (1) - Liquid	Viscosity, Pa*s - Liquid
293.15	0.0188	0.0010
293.15	0.0316	0.0010
293.15	0.0550	0.0010
293.15	0.0703	0.0010
293.15	0.0895	0.0010
293.15	0.1121	0.0010
293.15	0.1417	0.0010
293.15	0.1562	0.0010
298.15	0.0211	0.0009
298.15	0.0509	0.0009
298.15	0.0753	0.0009
298.15	0.0940	0.0009
298.15	0.1109	0.0009
298.15	0.1374	0.0009
298.15	0.1731	0.0009
298.15	0.2050	0.0009
303.15	0.0258	0.0008
303.15	0.0615	0.0008
303.15	0.0894	0.0008
303.15	0.1126	0.0008
303.15	0.1263	0.0008
303.15	0.1526	0.0008
303.15	0.1759	0.0008
303.15	0.1902	0.0008
308.15	0.0210	0.0007
308.15	0.0359	0.0007
308.15	0.0639	0.0007
308.15	0.0792	0.0007
308.15	0.1061	0.0007
308.15	0.1234	0.0007
308.15	0.1599	0.0007
308.15	0.1843	0.0007

Viscosity, Pa*s [ref]

Operational conditions:

• Molality, mol/kg = 1 (Liquid)
• Pressure, kPa = 101 (Liquid)

Temperature, K - Liquid	Viscosity, Pa*s - Liquid
308.15	0.0006
318.15	0.0005

Viscosity, Pa*s [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Molality, mol/kg of Urea (1) - Liquid	Viscosity, Pa*s - Liquid
293.15	0.0188	0.0010
293.15	0.0316	0.0010
293.15	0.0550	0.0010
293.15	0.0703	0.0010
293.15	0.0895	0.0010
293.15	0.1121	0.0010
293.15	0.1417	0.0010
293.15	0.1562	0.0010
298.15	0.0211	0.0009
298.15	0.0509	0.0009
298.15	0.0753	0.0009
298.15	0.0940	0.0009
298.15	0.1109	0.0009
298.15	0.1374	0.0009
298.15	0.1731	0.0009
298.15	0.2050	0.0009
303.15	0.0258	0.0008
303.15	0.0615	0.0008
303.15	0.0894	0.0008
303.15	0.1126	0.0008
303.15	0.1263	0.0008
303.15	0.1526	0.0008
303.15	0.1759	0.0008
303.15	0.1902	0.0008
308.15	0.0210	0.0007
308.15	0.0359	0.0007
308.15	0.0639	0.0007
308.15	0.0792	0.0007
308.15	0.1061	0.0007
308.15	0.1234	0.0007
308.15	0.1599	0.0007
308.15	0.1843	0.0007

Apparent molar heat capacity, J/K/mol [ref]

Operational condition: Pressure, kPa = 350 (Liquid)

Fixed		Measured
Molality, mol/kg of Urea (1) - Liquid	Temperature, K - Liquid	Apparent molar heat capacity, J/K/mol - Liquid
0.0204	278.15	52.0
0.0204	283.15	64.0
0.0204	288.15	74.0
0.0204	293.15	80.7
0.0204	298.15	86.2
0.0204	303.15	90.2
0.0204	308.15	94.6
0.0204	313.15	97.6
0.0204	318.15	101.7
0.0399	278.15	55.4
0.0399	283.15	66.0
0.0399	288.15	75.1
0.0399	293.15	82.3
0.0399	298.15	88.8
0.0399	303.15	93.4
0.0399	308.15	97.3
0.0399	313.15	100.5
0.0399	318.15	104.5
0.0595	278.15	54.5
0.0595	283.15	65.5
0.0595	288.15	74.5
0.0595	293.15	80.9
0.0595	298.15	86.3
0.0595	303.15	90.8
0.0595	308.15	95.2
0.0595	313.15	99.0
0.0595	318.15	103.8
0.1004	278.15	55.2
0.1004	283.15	66.1
0.1004	288.15	75.0
0.1004	293.15	81.7
0.1004	298.15	87.3
0.1004	303.15	92.0
0.1004	308.15	96.1
0.1004	313.15	99.9
0.1004	318.15	104.28
0.2484	278.15	57.3
0.2484	283.15	68.1
0.2484	288.15	76.6
0.2484	293.15	83.39
0.2484	298.15	88.96
0.2484	303.15	93.62
0.2484	308.15	97.59
0.2484	313.15	101.2
0.2484	318.15	105.41
0.4980	278.15	60.24
0.4980	283.15	70.33
0.4980	288.15	78.45
0.4980	293.15	84.95
0.4980	298.15	90.3
0.4980	303.15	94.86
0.4980	308.15	98.71
0.4980	313.15	102.25
0.4980	318.15	106.35
0.9869	278.15	65.51
0.9869	283.15	74.49
0.9869	288.15	81.84
0.9869	293.15	87.77
0.9869	298.15	92.71
0.9869	303.15	96.98
0.9869	308.15	100.57
0.9869	313.15	103.9
0.9869	318.15	107.77
2.021	278.15	74.11
2.021	283.15	81.61
2.021	288.15	87.77
2.021	293.15	92.84
2.021	298.15	97.12
2.021	303.15	100.84
2.021	308.15	104.0
2.021	313.15	106.99
2.021	318.15	110.47
2.997	278.15	80.2
2.997	283.15	86.74
2.997	288.15	92.13
2.997	293.15	96.59
2.997	298.15	100.36
2.997	303.15	103.67
2.997	308.15	106.48
2.997	313.15	109.23
2.997	318.15	112.43
3.984	278.15	85.28
3.984	283.15	91.07
3.984	288.15	95.79
3.984	293.15	99.73
3.984	298.15	103.12
3.984	303.15	106.13
3.984	308.15	108.74
3.984	313.15	111.23
3.984	318.15	114.14
6.006	278.15	92.83
6.006	283.15	97.6
6.006	288.15	101.5
6.006	293.15	104.74
6.006	298.15	107.53
6.006	303.15	110.0
6.006	308.15	112.16
6.006	313.15	114.28
6.006	318.15	116.86

Apparent molar heat capacity, J/K/mol [ref]

Operational condition: Pressure, kPa = 350 (Liquid)

Fixed		Measured
Molality, mol/kg of Urea (1) - Liquid	Temperature, K - Liquid	Apparent molar heat capacity, J/K/mol - Liquid
0.0204	278.15	52.0
0.0204	283.15	64.0
0.0204	288.15	74.0
0.0204	293.15	80.7
0.0204	298.15	86.2
0.0204	303.15	90.2
0.0204	308.15	94.6
0.0204	313.15	97.6
0.0204	318.15	101.7
0.0399	278.15	55.4
0.0399	283.15	66.0
0.0399	288.15	75.1
0.0399	293.15	82.3
0.0399	298.15	88.8
0.0399	303.15	93.4
0.0399	308.15	97.3
0.0399	313.15	100.5
0.0399	318.15	104.5
0.0595	278.15	54.5
0.0595	283.15	65.5
0.0595	288.15	74.5
0.0595	293.15	80.9
0.0595	298.15	86.3
0.0595	303.15	90.8
0.0595	308.15	95.2
0.0595	313.15	99.0
0.0595	318.15	103.8
0.1004	278.15	55.2
0.1004	283.15	66.1
0.1004	288.15	75.0
0.1004	293.15	81.7
0.1004	298.15	87.3
0.1004	303.15	92.0
0.1004	308.15	96.1
0.1004	313.15	99.9
0.1004	318.15	104.28
0.2484	278.15	57.3
0.2484	283.15	68.1
0.2484	288.15	76.6
0.2484	293.15	83.39
0.2484	298.15	88.96
0.2484	303.15	93.62
0.2484	308.15	97.59
0.2484	313.15	101.2
0.2484	318.15	105.41
0.4980	278.15	60.24
0.4980	283.15	70.33
0.4980	288.15	78.45
0.4980	293.15	84.95
0.4980	298.15	90.3
0.4980	303.15	94.86
0.4980	308.15	98.71
0.4980	313.15	102.25
0.4980	318.15	106.35
0.9869	278.15	65.51
0.9869	283.15	74.49
0.9869	288.15	81.84
0.9869	293.15	87.77
0.9869	298.15	92.71
0.9869	303.15	96.98
0.9869	308.15	100.57
0.9869	313.15	103.9
0.9869	318.15	107.77
2.021	278.15	74.11
2.021	283.15	81.61
2.021	288.15	87.77
2.021	293.15	92.84
2.021	298.15	97.12
2.021	303.15	100.84
2.021	308.15	104.0
2.021	313.15	106.99
2.021	318.15	110.47
2.997	278.15	80.2
2.997	283.15	86.74
2.997	288.15	92.13
2.997	293.15	96.59
2.997	298.15	100.36
2.997	303.15	103.67
2.997	308.15	106.48
2.997	313.15	109.23
2.997	318.15	112.43
3.984	278.15	85.28
3.984	283.15	91.07
3.984	288.15	95.79
3.984	293.15	99.73
3.984	298.15	103.12
3.984	303.15	106.13
3.984	308.15	108.74
3.984	313.15	111.23
3.984	318.15	114.14
6.006	278.15	92.83
6.006	283.15	97.6
6.006	288.15	101.5
6.006	293.15	104.74
6.006	298.15	107.53
6.006	303.15	110.0
6.006	308.15	112.16
6.006	313.15	114.28
6.006	318.15	116.86

Vapor or sublimation pressure, kPa [ref]

Operational condition: Mass fraction = 0.2 (Liquid)

Temperature, K - Liquid	Vapor or sublimation pressure, kPa - Liquid
323.00	11.84
328.00	15.03
333.00	19.01
338.00	23.79
343.00	29.90
348.00	37.34
353.00	46.11

Vapor or sublimation pressure, kPa [ref]

Operational condition: Mass fraction = 0.2 (Liquid)

Temperature, K - Liquid	Vapor or sublimation pressure, kPa - Liquid
323.00	11.84
328.00	15.03
333.00	19.01
338.00	23.79
343.00	29.90
348.00	37.34
353.00	46.11

Mass density, kg/m3 [ref]

Fixed		Measured
Temperature, K - Liquid	Pressure, kPa - Liquid	Mass density, kg/m3 - Liquid
303.20	101.00	1158.2

Mass density, kg/m3 [ref]

Operational condition: Pressure, kPa = 350 (Liquid)

Fixed		Measured
Molality, mol/kg of Urea (1) - Liquid	Temperature, K - Liquid	Mass density, kg/m3 - Liquid
0.0204	278.15	1000.538
0.0204	283.15	1000.254
0.0204	288.15	999.624
0.0204	298.15	997.547
0.0204	308.15	994.489
0.0204	318.15	990.678
0.0399	278.15	1000.671
0.0399	283.15	1000.414
0.0399	288.15	999.805
0.0399	298.15	997.726
0.0399	308.15	994.698
0.0399	318.15	990.867
0.0595	278.15	1001.222
0.0595	283.15	1000.894
0.0595	288.15	1000.247
0.0595	298.15	998.131
0.0595	308.15	995.072
0.0595	318.15	991.21
0.1004	278.15	1001.734
0.1004	283.15	1001.442
0.1004	288.15	1000.798
0.1004	298.15	998.68
0.1004	308.15	995.616
0.1004	318.15	991.761
0.2484	278.15	1004.552
0.2484	283.15	1004.142
0.2484	288.15	1003.428
0.2484	298.15	1001.176
0.2484	308.15	998.007
0.2484	318.15	994.067
0.4980	278.15	1008.662
0.4980	283.15	1008.15
0.4980	288.15	1007.336
0.4980	298.15	1004.929
0.4980	308.15	1001.644
0.4980	318.15	997.624
0.7294	278.15	1012.56
0.7294	283.15	1011.922
0.7294	288.15	1011.0
0.7294	298.15	1008.442
0.7294	308.15	1005.035
0.7294	318.15	1000.904
0.9869	278.15	1016.617
0.9869	283.15	1015.876
0.9869	288.15	1014.869
0.9869	298.15	1012.152
0.9869	308.15	1008.637
0.9869	318.15	1004.413
2.021	278.15	1031.957
2.021	283.15	1030.844
2.021	288.15	1029.51
2.021	298.15	1026.271
2.021	308.15	1022.346
2.021	318.15	1017.805
2.996	278.15	1045.193
2.996	283.15	1043.78
2.996	288.15	1042.199
2.996	298.15	1038.511
2.996	308.15	1034.233
2.996	318.15	1029.406
3.984	278.15	1056.799
3.984	283.15	1055.221
3.984	288.15	1053.46
3.984	298.15	1049.46
3.984	308.15	1044.937
3.984	318.15	1039.909
6.005	278.15	1078.583
6.005	283.15	1076.577
6.005	288.15	1074.449
6.005	298.15	1069.841
6.005	308.15	1064.811
6.005	318.15	1059.356

Mass density, kg/m3 [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed		Measured
Molality, mol/kg of Urea (1) - Liquid	Temperature, K - Liquid	Mass density, kg/m3 - Liquid
0.0000	288.15	999.094
0.0652	288.15	1000.185
0.1233	288.15	1001.145
0.1812	288.15	1002.092
0.2403	288.15	1003.055
0.3004	288.15	1004.029
0.0000	293.15	998.205
0.0652	293.15	999.268
0.1233	293.15	1000.204
0.1812	293.15	1001.126
0.2403	293.15	1002.068
0.3004	293.15	1003.02
0.0000	298.15	997.036
0.0652	298.15	998.076
0.1233	298.15	998.994
0.1812	298.15	999.906
0.2403	298.15	1000.829
0.3004	298.15	1001.761
0.0000	303.15	995.644
0.0652	303.15	996.664
0.1233	303.15	997.564
0.1812	303.15	998.455
0.2403	303.15	999.361
0.3004	303.15	1000.277
0.0000	308.15	994.028
0.0652	308.15	995.029
0.1233	308.15	995.915
0.1812	308.15	996.792
0.2403	308.15	997.684
0.3004	308.15	998.584

Mass density, kg/m3 [ref]

Operational condition: Pressure, kPa = 100 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Molality, mol/kg of Urea (1) - Liquid	Mass density, kg/m3 - Liquid
288.15	0.0000	999.086
288.15	0.0504	999.922
288.15	0.0807	1000.426
288.15	0.1107	1000.918
288.15	0.1510	1001.581
288.15	0.2005	1002.391
288.15	0.2512	1003.214
293.15	0.0000	998.201
293.15	0.0504	999.019
293.15	0.0807	999.511
293.15	0.1107	999.994
293.15	0.1510	1000.641
293.15	0.2005	1001.43
293.15	0.2512	1002.229
298.15	0.0000	997.045
298.15	0.0504	997.847
298.15	0.0807	998.329
298.15	0.1107	998.802
298.15	0.1510	999.436
298.15	0.2005	1000.21
298.15	0.2512	1000.993
303.15	0.0000	995.653
303.15	0.0504	996.442
303.15	0.0807	996.911
303.15	0.1107	997.378
303.15	0.1510	997.998
303.15	0.2005	998.757
303.15	0.2512	999.529
308.15	0.0000	994.043
308.15	0.0504	994.816
308.15	0.0807	995.281
308.15	0.1107	995.738
308.15	0.1510	996.351
308.15	0.2005	997.097
308.15	0.2512	997.855

Mass density, kg/m3 [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Molality, mol/kg of Urea (1) - Liquid	Mass density, kg/m3 - Liquid
274.15	0.0000	999.899
274.15	0.0930	1001.57
274.15	0.1063	1001.81
274.15	0.1410	1002.43
274.15	0.1520	1002.62
274.15	0.1809	1003.14
274.15	0.2423	1004.22
274.15	0.4362	1007.6
274.15	0.5644	1009.79
274.15	1.0079	1017.11
274.15	1.609	1026.44
274.15	2.505	1039.26
275.15	0.0000	999.94
275.15	0.0930	1001.6
275.15	0.1063	1001.84
275.15	0.1410	1002.45
275.15	0.1520	1002.64
275.15	0.1809	1003.16
275.15	0.2423	1004.23
275.15	0.4362	1007.59
275.15	0.5644	1009.77
275.15	1.0079	1017.04
275.15	1.609	1026.31
275.15	2.505	1039.07
276.15	0.0000	999.964
276.15	0.0930	1001.61
276.15	0.1063	1001.85
276.15	0.1410	1002.46
276.15	0.1520	1002.65
276.15	0.1809	1003.16
276.15	0.2423	1004.22
276.15	0.4362	1007.56
276.15	0.5644	1009.73
276.15	1.0079	1016.96
276.15	1.609	1026.17
276.15	2.505	1038.86
277.15	0.0000	999.972
277.15	0.0930	1001.61
277.15	0.1063	1001.85
277.15	0.1410	1002.45
277.15	0.1520	1002.64
277.15	0.1809	1003.15
277.15	0.2423	1004.2
277.15	0.4362	1007.52
277.15	0.5644	1009.67
277.15	1.0079	1016.85
277.15	1.609	1026.02
277.15	2.505	1038.66
278.15	0.0000	999.964
278.15	0.0930	1001.59
278.15	0.1063	1001.82
278.15	0.1410	1002.42
278.15	0.1520	1002.61
278.15	0.1809	1003.12
278.15	0.2423	1004.17
278.15	0.4362	1007.46
278.15	0.5644	1009.6
278.15	1.0079	1016.74
278.15	1.609	1025.85
278.15	2.505	1038.42
278.15	3.376	1049.57
278.15	4.33	1060.83
278.15	5.39	1072.16
278.15	8.0	1096.24
278.15	9.9	1110.86
278.15	12.8	1129.78
279.15	0.0000	999.94
279.15	0.0930	1001.56
279.15	0.1063	1001.79
279.15	0.1410	1002.39
279.15	0.1520	1002.57
279.15	0.1809	1003.07
279.15	0.2423	1004.12
279.15	0.4362	1007.39
279.15	0.5644	1009.51
279.15	1.0079	1016.61
279.15	1.609	1025.68
279.15	2.505	1038.19
280.15	0.0000	999.901
280.15	0.0930	1001.51
280.15	0.1063	1001.74
280.15	0.1410	1002.33
280.15	0.1520	1002.52
280.15	0.1809	1003.02
280.15	0.2423	1004.06
280.15	0.4362	1007.31
280.15	0.5644	1009.42
280.15	1.0079	1016.48
280.15	1.609	1025.5
280.15	2.505	1037.95
281.15	0.0000	999.848
281.15	0.0930	1001.45
281.15	0.1063	1001.67
281.15	0.1410	1002.26
281.15	0.1520	1002.46
281.15	0.1809	1002.95
281.15	0.2423	1003.99
281.15	0.4362	1007.21
281.15	0.5644	1009.31
281.15	1.0079	1016.33
281.15	1.609	1025.3
281.15	2.505	1037.71
282.15	0.0000	999.781
282.15	0.0930	1001.37
282.15	0.1063	1001.6
282.15	0.1410	1002.18
282.15	0.1520	1002.37
282.15	0.1809	1002.86
282.15	0.2423	1003.89
282.15	0.4362	1007.1
282.15	0.5644	1009.18
282.15	1.0079	1016.17
282.15	1.609	1025.12
282.15	2.505	1037.45
283.15	0.0000	999.699
283.15	0.0930	1001.28
283.15	0.1063	1001.51
283.15	0.1410	1002.09
283.15	0.1520	1002.27
283.15	0.1809	1002.76
283.15	0.2423	1003.78
283.15	0.4362	1006.97
283.15	0.5644	1009.04
283.15	1.0079	1016.0
283.15	1.609	1024.89
283.15	2.505	1037.2
288.15	0.0000	999.09
288.15	0.0930	1000.63
288.15	0.1063	1000.85
288.15	0.1410	1001.42
288.15	0.1520	1001.6
288.15	0.1809	1002.08
288.15	0.2423	1003.08
288.15	0.4362	1006.2
288.15	0.5644	1008.22
288.15	1.0079	1015.0
288.15	1.609	1023.7
288.15	2.505	1035.73
288.15	3.376	1046.46
288.15	4.33	1057.3
288.15	5.39	1068.26
288.15	8.0	1091.62
288.15	9.9	1105.86
288.15	12.8	1124.47
298.15	0.0000	997.043
298.15	0.0930	998.52
298.15	0.1063	998.73
298.15	0.1410	999.27
298.15	0.1520	999.45
298.15	0.1809	999.9
298.15	0.2423	1000.86
298.15	0.4362	1003.84
298.15	0.5644	1005.78
298.15	1.0079	1012.3
298.15	1.609	1020.67
298.15	2.505	1032.29
298.15	3.376	1042.7
298.15	4.33	1053.2
298.15	5.39	1063.84
298.15	8.0	1086.63
298.15	9.9	1100.56
298.15	12.8	1118.82
308.15	0.0000	994.029
308.15	0.0930	995.45
308.15	0.1063	995.65
308.15	0.1410	996.18
308.15	0.1520	996.35
308.15	0.1809	996.79
308.15	0.2423	997.71
308.15	0.4362	1000.59
308.15	0.5644	1002.47
308.15	1.0079	1008.78
308.15	1.609	1016.91
308.15	2.505	1028.21
308.15	3.376	1038.34
308.15	4.33	1048.55
308.15	5.39	1058.96
308.15	8.0	1081.22
308.15	9.9	1094.97
308.15	12.8	1112.9
323.15	0.0000	988.03
323.15	0.0930	989.4
323.15	0.1063	989.59
323.15	0.1410	990.1
323.15	0.1520	990.26
323.15	0.1809	990.68
323.15	0.2423	991.57
323.15	0.4362	994.33
323.15	0.5644	996.13
323.15	1.0079	1002.19
323.15	1.609	1010.03
323.15	2.505	1020.95
323.15	3.376	1030.77
323.15	4.33	1040.72
323.15	5.39	1050.87
323.15	8.0	1072.6
323.15	9.9	1086.08
323.15	12.8	1103.59
333.15	0.0000	983.191
333.15	0.0930	984.53
333.15	0.1063	984.72
333.15	0.1410	985.22
333.15	0.1520	985.38
333.15	0.1809	985.79
333.15	0.2423	986.66
333.15	0.4362	989.38
333.15	0.5644	991.15
333.15	1.0079	997.11
333.15	1.609	1004.81
333.15	2.505	1015.53
333.15	3.376	1025.17
333.15	4.33	1034.98
333.15	5.39	1044.98
333.15	8.0	1066.38
333.15	9.9	1079.64
333.15	12.8	1096.9

Mass density, kg/m3 [ref]

Fixed			Measured
Temperature, K - Liquid	Pressure, kPa - Liquid	Molality, mol/kg of Urea (1) - Liquid	Mass density, kg/m3 - Liquid
278.15	10000.00	0.0000	1004.78
278.15	25000.00	0.0000	1011.88
278.15	50000.00	0.0000	1023.2
278.15	75000.00	0.0000	1033.92
278.15	100000.00	0.0000	1044.08
278.15	10000.00	0.1809	1007.91
278.15	25000.00	0.1809	1014.96
278.15	50000.00	0.1809	1026.22
278.15	75000.00	0.1809	1036.88
278.15	100000.00	0.1809	1046.98
278.15	10000.00	0.4362	1012.23
278.15	25000.00	0.4362	1019.23
278.15	50000.00	0.4362	1030.39
278.15	75000.00	0.4362	1040.96
278.15	100000.00	0.4362	1050.97
278.15	10000.00	0.5644	1014.35
278.15	25000.00	0.5644	1021.32
278.15	50000.00	0.5644	1032.44
278.15	75000.00	0.5644	1042.96
278.15	100000.00	0.5644	1052.94
278.15	10000.00	1.609	1030.49
278.15	25000.00	1.609	1037.26
278.15	50000.00	1.609	1048.03
278.15	75000.00	1.609	1058.21
278.15	100000.00	1.609	1067.87
278.15	10000.00	2.505	1042.94
278.15	25000.00	2.505	1049.56
278.15	50000.00	2.505	1060.07
278.15	75000.00	2.505	1069.97
278.15	100000.00	2.505	1079.44
278.15	10000.00	3.376	1053.98
278.15	25000.00	3.376	1060.45
278.15	50000.00	3.376	1070.75
278.15	75000.00	3.376	1080.48
278.15	100000.00	3.376	1089.73
278.15	10000.00	5.39	1076.38
278.15	25000.00	5.39	1082.6
278.15	50000.00	5.39	1092.51
278.15	75000.00	5.39	1101.91
278.15	100000.00	5.39	1110.78
278.15	10000.00	8.0	1100.31
278.15	25000.00	8.0	1106.3
278.15	50000.00	8.0	1115.83
278.15	75000.00	8.0	1124.88
278.15	100000.00	8.0	1133.5
278.15	10000.00	10.99	1122.33
278.15	25000.00	10.99	1128.15
278.15	50000.00	10.99	1137.36
278.15	75000.00	10.99	1146.09
278.15	100000.00	10.99	1154.43
278.15	10000.00	12.8	1133.68
278.15	25000.00	12.8	1139.4
278.15	50000.00	12.8	1148.51
278.15	75000.00	12.8	1157.08
278.15	100000.00	12.8	1165.23
288.15	10000.00	0.0000	1003.66
288.15	25000.00	0.0000	1010.42
288.15	50000.00	0.0000	1021.21
288.15	75000.00	0.0000	1031.47
288.15	100000.00	0.0000	1041.23
288.15	10000.00	0.1809	1006.62
288.15	25000.00	0.1809	1013.33
288.15	50000.00	0.1809	1024.08
288.15	75000.00	0.1809	1034.29
288.15	100000.00	0.1809	1043.99
288.15	10000.00	0.4362	1010.71
288.15	25000.00	0.4362	1017.37
288.15	50000.00	0.4362	1028.05
288.15	75000.00	0.4362	1038.17
288.15	100000.00	0.4362	1047.8
288.15	10000.00	0.5644	1012.73
288.15	25000.00	0.5644	1019.38
288.15	50000.00	0.5644	1029.99
288.15	75000.00	0.5644	1040.07
288.15	100000.00	0.5644	1049.66
288.15	10000.00	1.609	1028.1
288.15	25000.00	1.609	1034.57
288.15	50000.00	1.609	1044.87
288.15	75000.00	1.609	1054.62
288.15	100000.00	1.609	1063.93
288.15	10000.00	2.505	1040.04
288.15	25000.00	2.505	1046.37
288.15	50000.00	2.505	1056.4
288.15	75000.00	2.505	1065.93
288.15	100000.00	2.505	1075.04
288.15	10000.00	3.376	1050.69
288.15	25000.00	3.376	1056.91
288.15	50000.00	3.376	1066.74
288.15	75000.00	3.376	1076.06
288.15	100000.00	3.376	1085.01
288.15	10000.00	5.39	1072.37
288.15	25000.00	5.39	1078.39
288.15	50000.00	5.39	1087.86
288.15	75000.00	5.39	1096.81
288.15	100000.00	5.39	1105.48
288.15	10000.00	8.0	1095.6
288.15	25000.00	8.0	1101.46
288.15	50000.00	8.0	1110.67
288.15	75000.00	8.0	1119.36
288.15	100000.00	8.0	1127.8
288.15	10000.00	10.99	1117.15
288.15	25000.00	10.99	1122.84
288.15	50000.00	10.99	1131.87
288.15	75000.00	10.99	1140.4
288.15	100000.00	10.99	1148.53
288.15	10000.00	12.8	1128.28
288.15	25000.00	12.8	1133.9
288.15	50000.00	12.8	1142.81
288.15	75000.00	12.8	1151.22
288.15	100000.00	12.8	1159.2
298.15	10000.00	0.0000	1001.46
298.15	25000.00	0.0000	1007.99
298.15	50000.00	0.0000	1018.44
298.15	75000.00	0.0000	1028.38
298.15	100000.00	0.0000	1037.86
298.15	10000.00	0.1809	1004.31
298.15	25000.00	0.1809	1010.8
298.15	50000.00	0.1809	1021.19
298.15	75000.00	0.1809	1031.09
298.15	100000.00	0.1809	1040.52
298.15	10000.00	0.4362	1008.22
298.15	25000.00	0.4362	1014.67
298.15	50000.00	0.4362	1025.0
298.15	75000.00	0.4362	1034.82
298.15	100000.00	0.4362	1044.19
298.15	10000.00	0.5644	1010.14
298.15	25000.00	0.5644	1016.58
298.15	50000.00	0.5644	1026.87
298.15	75000.00	0.5644	1036.66
298.15	100000.00	0.5644	1046.0
298.15	10000.00	1.609	1024.95
298.15	25000.00	1.609	1031.23
298.15	50000.00	1.609	1041.28
298.15	75000.00	1.609	1050.81
298.15	100000.00	1.609	1059.92
298.15	10000.00	2.505	1036.5
298.15	25000.00	2.505	1042.68
298.15	50000.00	2.505	1052.51
298.15	75000.00	2.505	1061.84
298.15	100000.00	2.505	1070.84
298.15	10000.00	3.376	1046.86
298.15	25000.00	3.376	1052.93
298.15	50000.00	3.376	1062.57
298.15	75000.00	3.376	1071.73
298.15	100000.00	3.376	1080.63
298.15	10000.00	5.39	1067.88
298.15	25000.00	5.39	1073.78
298.15	50000.00	5.39	1083.08
298.15	75000.00	5.39	1091.95
298.15	100000.00	5.39	1100.6
298.15	10000.00	8.0	1090.56
298.15	25000.00	8.0	1096.33
298.15	50000.00	8.0	1105.37
298.15	75000.00	8.0	1113.92
298.15	100000.00	8.0	1122.4
298.15	10000.00	10.99	1111.68
298.15	25000.00	10.99	1117.29
298.15	50000.00	10.99	1126.18
298.15	75000.00	10.99	1134.57
298.15	100000.00	10.99	1142.75
298.15	10000.00	12.8	1122.59
298.15	25000.00	12.8	1128.17
298.15	50000.00	12.8	1136.9
298.15	75000.00	12.8	1145.19
298.15	100000.00	12.8	1153.24
308.15	10000.00	0.0000	998.36
308.15	25000.00	0.0000	1004.74
308.15	50000.00	0.0000	1014.97
308.15	75000.00	0.0000	1024.71
308.15	100000.00	0.0000	1034.01
308.15	10000.00	0.1809	1001.1
308.15	25000.00	0.1809	1007.46
308.15	50000.00	0.1809	1017.66
308.15	75000.00	0.1809	1027.35
308.15	100000.00	0.1809	1036.61
308.15	10000.00	0.4362	1004.89
308.15	25000.00	0.4362	1011.22
308.15	50000.00	0.4362	1021.35
308.15	75000.00	0.4362	1030.99
308.15	100000.00	0.4362	1040.2
308.15	10000.00	0.5644	1006.76
308.15	25000.00	0.5644	1013.08
308.15	50000.00	0.5644	1023.19
308.15	75000.00	0.5644	1032.8
308.15	100000.00	0.5644	1041.98
308.15	10000.00	1.609	1021.13
308.15	25000.00	1.609	1027.31
308.15	50000.00	1.609	1037.21
308.15	75000.00	1.609	1046.61
308.15	100000.00	1.609	1055.64
308.15	10000.00	2.505	1032.37
308.15	25000.00	2.505	1038.45
308.15	50000.00	2.505	1048.14
308.15	75000.00	2.505	1057.37
308.15	100000.00	2.505	1066.32
308.15	10000.00	3.376	1042.44
308.15	25000.00	3.376	1048.43
308.15	50000.00	3.376	1057.95
308.15	75000.00	3.376	1067.04
308.15	100000.00	3.376	1075.91
308.15	10000.00	5.39	1062.95
308.15	25000.00	5.39	1068.78
308.15	50000.00	5.39	1078.02
308.15	75000.00	5.39	1086.84
308.15	100000.00	5.39	1095.48
308.15	10000.00	8.0	1085.13
308.15	25000.00	8.0	1090.83
308.15	50000.00	8.0	1099.83
308.15	75000.00	8.0	1108.4
308.15	100000.00	8.0	1116.79
308.15	10000.00	10.99	1105.95
308.15	25000.00	10.99	1111.57
308.15	50000.00	10.99	1120.31
308.15	75000.00	10.99	1128.64
308.15	100000.00	10.99	1136.92
308.15	10000.00	12.8	1116.69
308.15	25000.00	12.8	1122.24
308.15	50000.00	12.8	1130.92
308.15	75000.00	12.8	1139.16
308.15	100000.00	12.8	1147.3
323.15	10000.00	0.0000	992.3
323.15	25000.00	0.0000	998.61
323.15	50000.00	0.0000	1008.68
323.15	75000.00	0.0000	1018.27
323.15	100000.00	0.0000	1027.42
323.15	10000.00	0.1809	994.94
323.15	25000.00	0.1809	1001.22
323.15	50000.00	0.1809	1011.26
323.15	75000.00	0.1809	1020.8
323.15	100000.00	0.1809	1029.92
323.15	10000.00	0.4362	998.57
323.15	25000.00	0.4362	1004.83
323.15	50000.00	0.4362	1014.82
323.15	75000.00	0.4362	1024.31
323.15	100000.00	0.4362	1033.37
323.15	10000.00	0.5644	1000.36
323.15	25000.00	0.5644	1006.62
323.15	50000.00	0.5644	1016.57
323.15	75000.00	0.5644	1026.04
323.15	100000.00	0.5644	1035.08
323.15	10000.00	1.609	1014.19
323.15	25000.00	1.609	1020.35
323.15	50000.00	1.609	1030.14
323.15	75000.00	1.609	1039.38
323.15	100000.00	1.609	1048.25
323.15	10000.00	2.505	1025.05
323.15	25000.00	2.505	1031.14
323.15	50000.00	2.505	1040.78
323.15	75000.00	2.505	1049.87
323.15	100000.00	2.505	1058.62
323.15	10000.00	3.376	1034.82
323.15	25000.00	3.376	1040.83
323.15	50000.00	3.376	1050.36
323.15	75000.00	3.376	1059.32
323.15	100000.00	3.376	1067.97
323.15	10000.00	5.39	1054.83
323.15	25000.00	5.39	1060.7
323.15	50000.00	5.39	1069.99
323.15	75000.00	5.39	1078.73
323.15	100000.00	5.39	1087.2
323.15	10000.00	8.0	1076.49
323.15	25000.00	8.0	1082.18
323.15	50000.00	8.0	1091.23
323.15	75000.00	8.0	1099.84
323.15	100000.00	8.0	1108.07
323.15	10000.00	10.99	1096.87
323.15	25000.00	10.99	1102.45
323.15	50000.00	10.99	1111.32
323.15	75000.00	10.99	1119.74
323.15	100000.00	10.99	1127.82
323.15	10000.00	12.8	1107.38
323.15	25000.00	12.8	1112.95
323.15	50000.00	12.8	1121.73
323.15	75000.00	12.8	1130.01
323.15	100000.00	12.8	1138.03

Mass density, kg/m3 [ref]

Operational conditions:

• Temperature, K = 298.15 (Liquid)
• Pressure, kPa = 100 (Liquid)

Molality, mol/kg of Urea (1) - Liquid	Mass density, kg/m3 - Liquid
0.0000	997.05
0.1001	998.63
0.1999	1000.2
0.3000	1001.75
0.4000	1003.29
0.5001	1004.81

Mass density, kg/m3 [ref]

Operational conditions:

• Temperature, K = 298.15 (Liquid)
• Pressure, kPa = 99.6 (Liquid)

Molality, mol/kg of Urea (1) - Liquid	Mass density, kg/m3 - Liquid
0.0249	997.447
0.0501	997.848
0.0748	998.236
0.0999	998.633

Mass density, kg/m3 [ref]

Operational condition: Pressure, kPa = 99.6 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Molality, mol/kg of Urea (1) - Liquid	Mass density, kg/m3 - Liquid
288.15	0.0913	1000.61
288.15	0.2167	1002.67
288.15	0.3509	1004.84
288.15	0.5181	1007.5
288.15	0.6698	1009.88
288.15	0.8161	1012.14
288.15	0.9745	1014.54
288.15	1.195	1017.83
288.15	1.3298	1019.8
288.15	1.4888	1022.09
288.15	1.6001	1023.67
288.15	1.7072	1025.18
288.15	1.8983	1027.81
288.15	2.0337	1029.63
298.15	0.0913	998.5
298.15	0.2167	1000.46
298.15	0.3509	1002.52
298.15	0.5181	1005.07
298.15	0.6698	1007.34
298.15	0.8161	1009.5
298.15	0.9745	1011.8
298.15	1.195	1014.96
298.15	1.3298	1016.85
298.15	1.4888	1019.05
298.15	1.6001	1020.57
298.15	1.7072	1022.02
298.15	1.8983	1024.56
298.15	2.0337	1026.33
308.15	0.0913	995.42
308.15	0.2167	997.32
308.15	0.3509	999.32
308.15	0.5181	1001.77
308.15	0.6698	1003.96
308.15	0.8161	1006.05
308.15	0.9745	1008.27
308.15	1.195	1011.32
308.15	1.3298	1013.15
308.15	1.4888	1015.27
308.15	1.6001	1016.75
308.15	1.7072	1018.15
308.15	1.8983	1020.6
308.15	2.0337	1022.32
318.15	0.0913	991.58
318.15	0.2167	993.41
318.15	0.3509	995.36
318.15	0.5181	997.75
318.15	0.6698	999.88
318.15	0.8161	1001.91
318.15	0.9745	1004.08
318.15	1.195	1007.05
318.15	1.3298	1008.83
318.15	1.4888	1010.91
318.15	1.6001	1012.35
318.15	1.7072	1013.72
318.15	1.8983	1016.12
318.15	2.0337	1017.8
328.15	0.0913	987.02
328.15	0.2167	988.81
328.15	0.3509	990.71
328.15	0.5181	993.05
328.15	0.6698	995.14
328.15	0.8161	997.13
328.15	0.9745	999.25
328.15	1.195	1002.16
328.15	1.3298	1003.92
328.15	1.4888	1005.95
328.15	1.6001	1007.36
328.15	1.7072	1008.7
328.15	1.8983	1011.06
328.15	2.0337	1012.71

Mass density, kg/m3 [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed		Measured
Amount concentration (molarity), mol/dm3 of Urea (1) - Liquid	Temperature, K - Liquid	Mass density, kg/m3 - Liquid
2.051	308.15	1026.0
2.059	298.15	1030.0
2.065	288.15	1032.0
3.124	308.15	1041.0
3.139	298.15	1047.0
3.148	288.15	1049.0
4.232	308.15	1058.0
4.253	298.15	1063.0
4.269	288.15	1067.0
4.275	283.10	1069.0
5.378	308.15	1076.0
5.405	298.15	1081.0
5.421	288.15	1084.0
7.765	308.15	1109.0
7.802	298.15	1115.0
7.839	288.15	1120.0
9.021	308.15	1128.0
9.069	298.15	1134.0
9.106	288.15	1138.0

Mass density, kg/m3 [ref]

Operational conditions:

• Molality, mol/kg = 1 (Liquid)
• Pressure, kPa = 101 (Liquid)

Temperature, K - Liquid	Mass density, kg/m3 - Liquid
308.15	1009.1
318.15	1005.0

Mass density, kg/m3 [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Molality, mol/kg of Urea (1) - Liquid	Mass density, kg/m3 - Liquid
293.15	0.0256	998.624
293.15	0.0533	999.077
293.15	0.0747	999.427
293.15	0.0939	999.747
293.15	0.1236	1000.233
293.15	0.1442	1000.566
293.15	0.1762	1001.099
293.15	0.2005	1001.498
298.15	0.0256	997.458
298.15	0.0533	997.903
298.15	0.0747	998.251
298.15	0.0939	998.559
298.15	0.1236	999.04
298.15	0.1442	999.367
298.15	0.1762	999.891
298.15	0.2005	1000.281
303.15	0.0256	996.057
303.15	0.0533	996.499
303.15	0.0747	996.841
303.15	0.0939	997.145
303.15	0.1236	997.618
303.15	0.1442	997.949
303.15	0.1762	998.455
303.15	0.2005	998.84
308.15	0.0256	994.437
308.15	0.0533	994.868
308.15	0.0747	995.206
308.15	0.0939	995.501
308.15	0.1236	995.97
308.15	0.1442	996.288
308.15	0.1762	996.793
308.15	0.2005	997.172

Mass density, kg/m3 [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Molality, mol/kg of Urea (1) - Liquid	Mass density, kg/m3 - Liquid
278.15	0.0499	1000.84
278.15	0.0502	1000.85
278.15	0.0999	1001.71
278.15	0.1009	1001.73
278.15	0.1991	1003.43
278.15	0.2013	1003.46
278.15	0.4998	1008.56
278.15	0.5003	1008.56
278.15	0.9984	1016.7
278.15	1.0006	1016.72
278.15	1.4998	1024.46
278.15	1.5013	1024.51
288.15	0.0499	999.93
288.15	0.0502	999.93
288.15	0.0999	1000.76
288.15	0.1009	1000.77
288.15	0.1991	1002.37
288.15	0.2013	1002.4
288.15	0.4998	1007.22
288.15	0.5003	1007.21
288.15	0.9984	1014.93
288.15	1.0006	1014.95
288.15	1.4998	1022.29
288.15	1.5013	1022.35
298.15	0.0499	997.83
298.15	0.0502	997.84
298.15	0.0999	998.61
298.15	0.1009	998.64
298.15	0.1991	1000.18
298.15	0.2013	1000.19
298.15	0.4998	1004.8
298.15	0.5003	1004.79
298.15	0.9984	1012.18
298.15	1.0006	1012.19
298.15	1.4998	1019.22
298.15	1.5013	1019.28
308.15	0.0499	994.79
308.15	0.0502	994.8
308.15	0.0999	995.55
308.15	0.1009	995.57
308.15	0.1991	997.04
308.15	0.2013	997.07
308.15	0.4998	1001.52
308.15	0.5003	1001.52
308.15	0.9984	1008.64
308.15	1.0006	1008.66
308.15	1.4998	1015.46
308.15	1.5013	1015.52
318.15	0.0499	990.95
318.15	0.0502	990.96
318.15	0.0999	991.68
318.15	0.1009	991.71
318.15	0.1991	993.15
318.15	0.2013	993.17
318.15	0.4998	997.49
318.15	0.5003	997.48
318.15	0.9984	1004.42
318.15	1.0006	1004.44
318.15	1.4998	1011.06
318.15	1.5013	1011.11

Mass density, kg/m3 [ref]

Fixed		Measured
Temperature, K - Liquid	Pressure, kPa - Liquid	Mass density, kg/m3 - Liquid
303.20	101.00	1158.2

Mass density, kg/m3 [ref]

Operational condition: Pressure, kPa = 350 (Liquid)

Fixed		Measured
Molality, mol/kg of Urea (1) - Liquid	Temperature, K - Liquid	Mass density, kg/m3 - Liquid
0.0204	278.15	1000.538
0.0204	283.15	1000.254
0.0204	288.15	999.624
0.0204	298.15	997.547
0.0204	308.15	994.489
0.0204	318.15	990.678
0.0399	278.15	1000.671
0.0399	283.15	1000.414
0.0399	288.15	999.805
0.0399	298.15	997.726
0.0399	308.15	994.698
0.0399	318.15	990.867
0.0595	278.15	1001.222
0.0595	283.15	1000.894
0.0595	288.15	1000.247
0.0595	298.15	998.131
0.0595	308.15	995.072
0.0595	318.15	991.21
0.1004	278.15	1001.734
0.1004	283.15	1001.442
0.1004	288.15	1000.798
0.1004	298.15	998.68
0.1004	308.15	995.616
0.1004	318.15	991.761
0.2484	278.15	1004.552
0.2484	283.15	1004.142
0.2484	288.15	1003.428
0.2484	298.15	1001.176
0.2484	308.15	998.007
0.2484	318.15	994.067
0.4980	278.15	1008.662
0.4980	283.15	1008.15
0.4980	288.15	1007.336
0.4980	298.15	1004.929
0.4980	308.15	1001.644
0.4980	318.15	997.624
0.7294	278.15	1012.56
0.7294	283.15	1011.922
0.7294	288.15	1011.0
0.7294	298.15	1008.442
0.7294	308.15	1005.035
0.7294	318.15	1000.904
0.9869	278.15	1016.617
0.9869	283.15	1015.876
0.9869	288.15	1014.869
0.9869	298.15	1012.152
0.9869	308.15	1008.637
0.9869	318.15	1004.413
2.021	278.15	1031.957
2.021	283.15	1030.844
2.021	288.15	1029.51
2.021	298.15	1026.271
2.021	308.15	1022.346
2.021	318.15	1017.805
2.996	278.15	1045.193
2.996	283.15	1043.78
2.996	288.15	1042.199
2.996	298.15	1038.511
2.996	308.15	1034.233
2.996	318.15	1029.406
3.984	278.15	1056.799
3.984	283.15	1055.221
3.984	288.15	1053.46
3.984	298.15	1049.46
3.984	308.15	1044.937
3.984	318.15	1039.909
6.005	278.15	1078.583
6.005	283.15	1076.577
6.005	288.15	1074.449
6.005	298.15	1069.841
6.005	308.15	1064.811
6.005	318.15	1059.356

Mass density, kg/m3 [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed		Measured
Molality, mol/kg of Urea (1) - Liquid	Temperature, K - Liquid	Mass density, kg/m3 - Liquid
0.0000	288.15	999.094
0.0652	288.15	1000.185
0.1233	288.15	1001.145
0.1812	288.15	1002.092
0.2403	288.15	1003.055
0.3004	288.15	1004.029
0.0000	293.15	998.205
0.0652	293.15	999.268
0.1233	293.15	1000.204
0.1812	293.15	1001.126
0.2403	293.15	1002.068
0.3004	293.15	1003.02
0.0000	298.15	997.036
0.0652	298.15	998.076
0.1233	298.15	998.994
0.1812	298.15	999.906
0.2403	298.15	1000.829
0.3004	298.15	1001.761
0.0000	303.15	995.644
0.0652	303.15	996.664
0.1233	303.15	997.564
0.1812	303.15	998.455
0.2403	303.15	999.361
0.3004	303.15	1000.277
0.0000	308.15	994.028
0.0652	308.15	995.029
0.1233	308.15	995.915
0.1812	308.15	996.792
0.2403	308.15	997.684
0.3004	308.15	998.584

Mass density, kg/m3 [ref]

Operational condition: Pressure, kPa = 100 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Molality, mol/kg of Urea (1) - Liquid	Mass density, kg/m3 - Liquid
288.15	0.0000	999.086
288.15	0.0504	999.922
288.15	0.0807	1000.426
288.15	0.1107	1000.918
288.15	0.1510	1001.581
288.15	0.2005	1002.391
288.15	0.2512	1003.214
293.15	0.0000	998.201
293.15	0.0504	999.019
293.15	0.0807	999.511
293.15	0.1107	999.994
293.15	0.1510	1000.641
293.15	0.2005	1001.43
293.15	0.2512	1002.229
298.15	0.0000	997.045
298.15	0.0504	997.847
298.15	0.0807	998.329
298.15	0.1107	998.802
298.15	0.1510	999.436
298.15	0.2005	1000.21
298.15	0.2512	1000.993
303.15	0.0000	995.653
303.15	0.0504	996.442
303.15	0.0807	996.911
303.15	0.1107	997.378
303.15	0.1510	997.998
303.15	0.2005	998.757
303.15	0.2512	999.529
308.15	0.0000	994.043
308.15	0.0504	994.816
308.15	0.0807	995.281
308.15	0.1107	995.738
308.15	0.1510	996.351
308.15	0.2005	997.097
308.15	0.2512	997.855

Mass density, kg/m3 [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Molality, mol/kg of Urea (1) - Liquid	Mass density, kg/m3 - Liquid
274.15	0.0000	999.899
274.15	0.0930	1001.57
274.15	0.1063	1001.81
274.15	0.1410	1002.43
274.15	0.1520	1002.62
274.15	0.1809	1003.14
274.15	0.2423	1004.22
274.15	0.4362	1007.6
274.15	0.5644	1009.79
274.15	1.0079	1017.11
274.15	1.609	1026.44
274.15	2.505	1039.26
275.15	0.0000	999.94
275.15	0.0930	1001.6
275.15	0.1063	1001.84
275.15	0.1410	1002.45
275.15	0.1520	1002.64
275.15	0.1809	1003.16
275.15	0.2423	1004.23
275.15	0.4362	1007.59
275.15	0.5644	1009.77
275.15	1.0079	1017.04
275.15	1.609	1026.31
275.15	2.505	1039.07
276.15	0.0000	999.964
276.15	0.0930	1001.61
276.15	0.1063	1001.85
276.15	0.1410	1002.46
276.15	0.1520	1002.65
276.15	0.1809	1003.16
276.15	0.2423	1004.22
276.15	0.4362	1007.56
276.15	0.5644	1009.73
276.15	1.0079	1016.96
276.15	1.609	1026.17
276.15	2.505	1038.86
277.15	0.0000	999.972
277.15	0.0930	1001.61
277.15	0.1063	1001.85
277.15	0.1410	1002.45
277.15	0.1520	1002.64
277.15	0.1809	1003.15
277.15	0.2423	1004.2
277.15	0.4362	1007.52
277.15	0.5644	1009.67
277.15	1.0079	1016.85
277.15	1.609	1026.02
277.15	2.505	1038.66
278.15	0.0000	999.964
278.15	0.0930	1001.59
278.15	0.1063	1001.82
278.15	0.1410	1002.42
278.15	0.1520	1002.61
278.15	0.1809	1003.12
278.15	0.2423	1004.17
278.15	0.4362	1007.46
278.15	0.5644	1009.6
278.15	1.0079	1016.74
278.15	1.609	1025.85
278.15	2.505	1038.42
278.15	3.376	1049.57
278.15	4.33	1060.83
278.15	5.39	1072.16
278.15	8.0	1096.24
278.15	9.9	1110.86
278.15	12.8	1129.78
279.15	0.0000	999.94
279.15	0.0930	1001.56
279.15	0.1063	1001.79
279.15	0.1410	1002.39
279.15	0.1520	1002.57
279.15	0.1809	1003.07
279.15	0.2423	1004.12
279.15	0.4362	1007.39
279.15	0.5644	1009.51
279.15	1.0079	1016.61
279.15	1.609	1025.68
279.15	2.505	1038.19
280.15	0.0000	999.901
280.15	0.0930	1001.51
280.15	0.1063	1001.74
280.15	0.1410	1002.33
280.15	0.1520	1002.52
280.15	0.1809	1003.02
280.15	0.2423	1004.06
280.15	0.4362	1007.31
280.15	0.5644	1009.42
280.15	1.0079	1016.48
280.15	1.609	1025.5
280.15	2.505	1037.95
281.15	0.0000	999.848
281.15	0.0930	1001.45
281.15	0.1063	1001.67
281.15	0.1410	1002.26
281.15	0.1520	1002.46
281.15	0.1809	1002.95
281.15	0.2423	1003.99
281.15	0.4362	1007.21
281.15	0.5644	1009.31
281.15	1.0079	1016.33
281.15	1.609	1025.3
281.15	2.505	1037.71
282.15	0.0000	999.781
282.15	0.0930	1001.37
282.15	0.1063	1001.6
282.15	0.1410	1002.18
282.15	0.1520	1002.37
282.15	0.1809	1002.86
282.15	0.2423	1003.89
282.15	0.4362	1007.1
282.15	0.5644	1009.18
282.15	1.0079	1016.17
282.15	1.609	1025.12
282.15	2.505	1037.45
283.15	0.0000	999.699
283.15	0.0930	1001.28
283.15	0.1063	1001.51
283.15	0.1410	1002.09
283.15	0.1520	1002.27
283.15	0.1809	1002.76
283.15	0.2423	1003.78
283.15	0.4362	1006.97
283.15	0.5644	1009.04
283.15	1.0079	1016.0
283.15	1.609	1024.89
283.15	2.505	1037.2
288.15	0.0000	999.09
288.15	0.0930	1000.63
288.15	0.1063	1000.85
288.15	0.1410	1001.42
288.15	0.1520	1001.6
288.15	0.1809	1002.08
288.15	0.2423	1003.08
288.15	0.4362	1006.2
288.15	0.5644	1008.22
288.15	1.0079	1015.0
288.15	1.609	1023.7
288.15	2.505	1035.73
288.15	3.376	1046.46
288.15	4.33	1057.3
288.15	5.39	1068.26
288.15	8.0	1091.62
288.15	9.9	1105.86
288.15	12.8	1124.47
298.15	0.0000	997.043
298.15	0.0930	998.52
298.15	0.1063	998.73
298.15	0.1410	999.27
298.15	0.1520	999.45
298.15	0.1809	999.9
298.15	0.2423	1000.86
298.15	0.4362	1003.84
298.15	0.5644	1005.78
298.15	1.0079	1012.3
298.15	1.609	1020.67
298.15	2.505	1032.29
298.15	3.376	1042.7
298.15	4.33	1053.2
298.15	5.39	1063.84
298.15	8.0	1086.63
298.15	9.9	1100.56
298.15	12.8	1118.82
308.15	0.0000	994.029
308.15	0.0930	995.45
308.15	0.1063	995.65
308.15	0.1410	996.18
308.15	0.1520	996.35
308.15	0.1809	996.79
308.15	0.2423	997.71
308.15	0.4362	1000.59
308.15	0.5644	1002.47
308.15	1.0079	1008.78
308.15	1.609	1016.91
308.15	2.505	1028.21
308.15	3.376	1038.34
308.15	4.33	1048.55
308.15	5.39	1058.96
308.15	8.0	1081.22
308.15	9.9	1094.97
308.15	12.8	1112.9
323.15	0.0000	988.03
323.15	0.0930	989.4
323.15	0.1063	989.59
323.15	0.1410	990.1
323.15	0.1520	990.26
323.15	0.1809	990.68
323.15	0.2423	991.57
323.15	0.4362	994.33
323.15	0.5644	996.13
323.15	1.0079	1002.19
323.15	1.609	1010.03
323.15	2.505	1020.95
323.15	3.376	1030.77
323.15	4.33	1040.72
323.15	5.39	1050.87
323.15	8.0	1072.6
323.15	9.9	1086.08
323.15	12.8	1103.59
333.15	0.0000	983.191
333.15	0.0930	984.53
333.15	0.1063	984.72
333.15	0.1410	985.22
333.15	0.1520	985.38
333.15	0.1809	985.79
333.15	0.2423	986.66
333.15	0.4362	989.38
333.15	0.5644	991.15
333.15	1.0079	997.11
333.15	1.609	1004.81
333.15	2.505	1015.53
333.15	3.376	1025.17
333.15	4.33	1034.98
333.15	5.39	1044.98
333.15	8.0	1066.38
333.15	9.9	1079.64
333.15	12.8	1096.9

Mass density, kg/m3 [ref]

Fixed			Measured
Temperature, K - Liquid	Pressure, kPa - Liquid	Molality, mol/kg of Urea (1) - Liquid	Mass density, kg/m3 - Liquid
278.15	10000.00	0.0000	1004.78
278.15	25000.00	0.0000	1011.88
278.15	50000.00	0.0000	1023.2
278.15	75000.00	0.0000	1033.92
278.15	100000.00	0.0000	1044.08
278.15	10000.00	0.1809	1007.91
278.15	25000.00	0.1809	1014.96
278.15	50000.00	0.1809	1026.22
278.15	75000.00	0.1809	1036.88
278.15	100000.00	0.1809	1046.98
278.15	10000.00	0.4362	1012.23
278.15	25000.00	0.4362	1019.23
278.15	50000.00	0.4362	1030.39
278.15	75000.00	0.4362	1040.96
278.15	100000.00	0.4362	1050.97
278.15	10000.00	0.5644	1014.35
278.15	25000.00	0.5644	1021.32
278.15	50000.00	0.5644	1032.44
278.15	75000.00	0.5644	1042.96
278.15	100000.00	0.5644	1052.94
278.15	10000.00	1.609	1030.49
278.15	25000.00	1.609	1037.26
278.15	50000.00	1.609	1048.03
278.15	75000.00	1.609	1058.21
278.15	100000.00	1.609	1067.87
278.15	10000.00	2.505	1042.94
278.15	25000.00	2.505	1049.56
278.15	50000.00	2.505	1060.07
278.15	75000.00	2.505	1069.97
278.15	100000.00	2.505	1079.44
278.15	10000.00	3.376	1053.98
278.15	25000.00	3.376	1060.45
278.15	50000.00	3.376	1070.75
278.15	75000.00	3.376	1080.48
278.15	100000.00	3.376	1089.73
278.15	10000.00	5.39	1076.38
278.15	25000.00	5.39	1082.6
278.15	50000.00	5.39	1092.51
278.15	75000.00	5.39	1101.91
278.15	100000.00	5.39	1110.78
278.15	10000.00	8.0	1100.31
278.15	25000.00	8.0	1106.3
278.15	50000.00	8.0	1115.83
278.15	75000.00	8.0	1124.88
278.15	100000.00	8.0	1133.5
278.15	10000.00	10.99	1122.33
278.15	25000.00	10.99	1128.15
278.15	50000.00	10.99	1137.36
278.15	75000.00	10.99	1146.09
278.15	100000.00	10.99	1154.43
278.15	10000.00	12.8	1133.68
278.15	25000.00	12.8	1139.4
278.15	50000.00	12.8	1148.51
278.15	75000.00	12.8	1157.08
278.15	100000.00	12.8	1165.23
288.15	10000.00	0.0000	1003.66
288.15	25000.00	0.0000	1010.42
288.15	50000.00	0.0000	1021.21
288.15	75000.00	0.0000	1031.47
288.15	100000.00	0.0000	1041.23
288.15	10000.00	0.1809	1006.62
288.15	25000.00	0.1809	1013.33
288.15	50000.00	0.1809	1024.08
288.15	75000.00	0.1809	1034.29
288.15	100000.00	0.1809	1043.99
288.15	10000.00	0.4362	1010.71
288.15	25000.00	0.4362	1017.37
288.15	50000.00	0.4362	1028.05
288.15	75000.00	0.4362	1038.17
288.15	100000.00	0.4362	1047.8
288.15	10000.00	0.5644	1012.73
288.15	25000.00	0.5644	1019.38
288.15	50000.00	0.5644	1029.99
288.15	75000.00	0.5644	1040.07
288.15	100000.00	0.5644	1049.66
288.15	10000.00	1.609	1028.1
288.15	25000.00	1.609	1034.57
288.15	50000.00	1.609	1044.87
288.15	75000.00	1.609	1054.62
288.15	100000.00	1.609	1063.93
288.15	10000.00	2.505	1040.04
288.15	25000.00	2.505	1046.37
288.15	50000.00	2.505	1056.4
288.15	75000.00	2.505	1065.93
288.15	100000.00	2.505	1075.04
288.15	10000.00	3.376	1050.69
288.15	25000.00	3.376	1056.91
288.15	50000.00	3.376	1066.74
288.15	75000.00	3.376	1076.06
288.15	100000.00	3.376	1085.01
288.15	10000.00	5.39	1072.37
288.15	25000.00	5.39	1078.39
288.15	50000.00	5.39	1087.86
288.15	75000.00	5.39	1096.81
288.15	100000.00	5.39	1105.48
288.15	10000.00	8.0	1095.6
288.15	25000.00	8.0	1101.46
288.15	50000.00	8.0	1110.67
288.15	75000.00	8.0	1119.36
288.15	100000.00	8.0	1127.8
288.15	10000.00	10.99	1117.15
288.15	25000.00	10.99	1122.84
288.15	50000.00	10.99	1131.87
288.15	75000.00	10.99	1140.4
288.15	100000.00	10.99	1148.53
288.15	10000.00	12.8	1128.28
288.15	25000.00	12.8	1133.9
288.15	50000.00	12.8	1142.81
288.15	75000.00	12.8	1151.22
288.15	100000.00	12.8	1159.2
298.15	10000.00	0.0000	1001.46
298.15	25000.00	0.0000	1007.99
298.15	50000.00	0.0000	1018.44
298.15	75000.00	0.0000	1028.38
298.15	100000.00	0.0000	1037.86
298.15	10000.00	0.1809	1004.31
298.15	25000.00	0.1809	1010.8
298.15	50000.00	0.1809	1021.19
298.15	75000.00	0.1809	1031.09
298.15	100000.00	0.1809	1040.52
298.15	10000.00	0.4362	1008.22
298.15	25000.00	0.4362	1014.67
298.15	50000.00	0.4362	1025.0
298.15	75000.00	0.4362	1034.82
298.15	100000.00	0.4362	1044.19
298.15	10000.00	0.5644	1010.14
298.15	25000.00	0.5644	1016.58
298.15	50000.00	0.5644	1026.87
298.15	75000.00	0.5644	1036.66
298.15	100000.00	0.5644	1046.0
298.15	10000.00	1.609	1024.95
298.15	25000.00	1.609	1031.23
298.15	50000.00	1.609	1041.28
298.15	75000.00	1.609	1050.81
298.15	100000.00	1.609	1059.92
298.15	10000.00	2.505	1036.5
298.15	25000.00	2.505	1042.68
298.15	50000.00	2.505	1052.51
298.15	75000.00	2.505	1061.84
298.15	100000.00	2.505	1070.84
298.15	10000.00	3.376	1046.86
298.15	25000.00	3.376	1052.93
298.15	50000.00	3.376	1062.57
298.15	75000.00	3.376	1071.73
298.15	100000.00	3.376	1080.63
298.15	10000.00	5.39	1067.88
298.15	25000.00	5.39	1073.78
298.15	50000.00	5.39	1083.08
298.15	75000.00	5.39	1091.95
298.15	100000.00	5.39	1100.6
298.15	10000.00	8.0	1090.56
298.15	25000.00	8.0	1096.33
298.15	50000.00	8.0	1105.37
298.15	75000.00	8.0	1113.92
298.15	100000.00	8.0	1122.4
298.15	10000.00	10.99	1111.68
298.15	25000.00	10.99	1117.29
298.15	50000.00	10.99	1126.18
298.15	75000.00	10.99	1134.57
298.15	100000.00	10.99	1142.75
298.15	10000.00	12.8	1122.59
298.15	25000.00	12.8	1128.17
298.15	50000.00	12.8	1136.9
298.15	75000.00	12.8	1145.19
298.15	100000.00	12.8	1153.24
308.15	10000.00	0.0000	998.36
308.15	25000.00	0.0000	1004.74
308.15	50000.00	0.0000	1014.97
308.15	75000.00	0.0000	1024.71
308.15	100000.00	0.0000	1034.01
308.15	10000.00	0.1809	1001.1
308.15	25000.00	0.1809	1007.46
308.15	50000.00	0.1809	1017.66
308.15	75000.00	0.1809	1027.35
308.15	100000.00	0.1809	1036.61
308.15	10000.00	0.4362	1004.89
308.15	25000.00	0.4362	1011.22
308.15	50000.00	0.4362	1021.35
308.15	75000.00	0.4362	1030.99
308.15	100000.00	0.4362	1040.2
308.15	10000.00	0.5644	1006.76
308.15	25000.00	0.5644	1013.08
308.15	50000.00	0.5644	1023.19
308.15	75000.00	0.5644	1032.8
308.15	100000.00	0.5644	1041.98
308.15	10000.00	1.609	1021.13
308.15	25000.00	1.609	1027.31
308.15	50000.00	1.609	1037.21
308.15	75000.00	1.609	1046.61
308.15	100000.00	1.609	1055.64
308.15	10000.00	2.505	1032.37
308.15	25000.00	2.505	1038.45
308.15	50000.00	2.505	1048.14
308.15	75000.00	2.505	1057.37
308.15	100000.00	2.505	1066.32
308.15	10000.00	3.376	1042.44
308.15	25000.00	3.376	1048.43
308.15	50000.00	3.376	1057.95
308.15	75000.00	3.376	1067.04
308.15	100000.00	3.376	1075.91
308.15	10000.00	5.39	1062.95
308.15	25000.00	5.39	1068.78
308.15	50000.00	5.39	1078.02
308.15	75000.00	5.39	1086.84
308.15	100000.00	5.39	1095.48
308.15	10000.00	8.0	1085.13
308.15	25000.00	8.0	1090.83
308.15	50000.00	8.0	1099.83
308.15	75000.00	8.0	1108.4
308.15	100000.00	8.0	1116.79
308.15	10000.00	10.99	1105.95
308.15	25000.00	10.99	1111.57
308.15	50000.00	10.99	1120.31
308.15	75000.00	10.99	1128.64
308.15	100000.00	10.99	1136.92
308.15	10000.00	12.8	1116.69
308.15	25000.00	12.8	1122.24
308.15	50000.00	12.8	1130.92
308.15	75000.00	12.8	1139.16
308.15	100000.00	12.8	1147.3
323.15	10000.00	0.0000	992.3
323.15	25000.00	0.0000	998.61
323.15	50000.00	0.0000	1008.68
323.15	75000.00	0.0000	1018.27
323.15	100000.00	0.0000	1027.42
323.15	10000.00	0.1809	994.94
323.15	25000.00	0.1809	1001.22
323.15	50000.00	0.1809	1011.26
323.15	75000.00	0.1809	1020.8
323.15	100000.00	0.1809	1029.92
323.15	10000.00	0.4362	998.57
323.15	25000.00	0.4362	1004.83
323.15	50000.00	0.4362	1014.82
323.15	75000.00	0.4362	1024.31
323.15	100000.00	0.4362	1033.37
323.15	10000.00	0.5644	1000.36
323.15	25000.00	0.5644	1006.62
323.15	50000.00	0.5644	1016.57
323.15	75000.00	0.5644	1026.04
323.15	100000.00	0.5644	1035.08
323.15	10000.00	1.609	1014.19
323.15	25000.00	1.609	1020.35
323.15	50000.00	1.609	1030.14
323.15	75000.00	1.609	1039.38
323.15	100000.00	1.609	1048.25
323.15	10000.00	2.505	1025.05
323.15	25000.00	2.505	1031.14
323.15	50000.00	2.505	1040.78
323.15	75000.00	2.505	1049.87
323.15	100000.00	2.505	1058.62
323.15	10000.00	3.376	1034.82
323.15	25000.00	3.376	1040.83
323.15	50000.00	3.376	1050.36
323.15	75000.00	3.376	1059.32
323.15	100000.00	3.376	1067.97
323.15	10000.00	5.39	1054.83
323.15	25000.00	5.39	1060.7
323.15	50000.00	5.39	1069.99
323.15	75000.00	5.39	1078.73
323.15	100000.00	5.39	1087.2
323.15	10000.00	8.0	1076.49
323.15	25000.00	8.0	1082.18
323.15	50000.00	8.0	1091.23
323.15	75000.00	8.0	1099.84
323.15	100000.00	8.0	1108.07
323.15	10000.00	10.99	1096.87
323.15	25000.00	10.99	1102.45
323.15	50000.00	10.99	1111.32
323.15	75000.00	10.99	1119.74
323.15	100000.00	10.99	1127.82
323.15	10000.00	12.8	1107.38
323.15	25000.00	12.8	1112.95
323.15	50000.00	12.8	1121.73
323.15	75000.00	12.8	1130.01
323.15	100000.00	12.8	1138.03

Mass density, kg/m3 [ref]

Operational conditions:

• Temperature, K = 298.15 (Liquid)
• Pressure, kPa = 100 (Liquid)

Molality, mol/kg of Urea (1) - Liquid	Mass density, kg/m3 - Liquid
0.0000	997.05
0.1001	998.63
0.1999	1000.2
0.3000	1001.75
0.4000	1003.29
0.5001	1004.81

Mass density, kg/m3 [ref]

Operational conditions:

• Temperature, K = 298.15 (Liquid)
• Pressure, kPa = 99.6 (Liquid)

Molality, mol/kg of Urea (1) - Liquid	Mass density, kg/m3 - Liquid
0.0249	997.447
0.0501	997.848
0.0748	998.236
0.0999	998.633

Mass density, kg/m3 [ref]

Operational condition: Pressure, kPa = 99.6 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Molality, mol/kg of Urea (1) - Liquid	Mass density, kg/m3 - Liquid
288.15	0.0913	1000.61
288.15	0.2167	1002.67
288.15	0.3509	1004.84
288.15	0.5181	1007.5
288.15	0.6698	1009.88
288.15	0.8161	1012.14
288.15	0.9745	1014.54
288.15	1.195	1017.83
288.15	1.3298	1019.8
288.15	1.4888	1022.09
288.15	1.6001	1023.67
288.15	1.7072	1025.18
288.15	1.8983	1027.81
288.15	2.0337	1029.63
298.15	0.0913	998.5
298.15	0.2167	1000.46
298.15	0.3509	1002.52
298.15	0.5181	1005.07
298.15	0.6698	1007.34
298.15	0.8161	1009.5
298.15	0.9745	1011.8
298.15	1.195	1014.96
298.15	1.3298	1016.85
298.15	1.4888	1019.05
298.15	1.6001	1020.57
298.15	1.7072	1022.02
298.15	1.8983	1024.56
298.15	2.0337	1026.33
308.15	0.0913	995.42
308.15	0.2167	997.32
308.15	0.3509	999.32
308.15	0.5181	1001.77
308.15	0.6698	1003.96
308.15	0.8161	1006.05
308.15	0.9745	1008.27
308.15	1.195	1011.32
308.15	1.3298	1013.15
308.15	1.4888	1015.27
308.15	1.6001	1016.75
308.15	1.7072	1018.15
308.15	1.8983	1020.6
308.15	2.0337	1022.32
318.15	0.0913	991.58
318.15	0.2167	993.41
318.15	0.3509	995.36
318.15	0.5181	997.75
318.15	0.6698	999.88
318.15	0.8161	1001.91
318.15	0.9745	1004.08
318.15	1.195	1007.05
318.15	1.3298	1008.83
318.15	1.4888	1010.91
318.15	1.6001	1012.35
318.15	1.7072	1013.72
318.15	1.8983	1016.12
318.15	2.0337	1017.8
328.15	0.0913	987.02
328.15	0.2167	988.81
328.15	0.3509	990.71
328.15	0.5181	993.05
328.15	0.6698	995.14
328.15	0.8161	997.13
328.15	0.9745	999.25
328.15	1.195	1002.16
328.15	1.3298	1003.92
328.15	1.4888	1005.95
328.15	1.6001	1007.36
328.15	1.7072	1008.7
328.15	1.8983	1011.06
328.15	2.0337	1012.71

Mass density, kg/m3 [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed		Measured
Amount concentration (molarity), mol/dm3 of Urea (1) - Liquid	Temperature, K - Liquid	Mass density, kg/m3 - Liquid
2.051	308.15	1026.0
2.059	298.15	1030.0
2.065	288.15	1032.0
3.124	308.15	1041.0
3.139	298.15	1047.0
3.148	288.15	1049.0
4.232	308.15	1058.0
4.253	298.15	1063.0
4.269	288.15	1067.0
4.275	283.10	1069.0
5.378	308.15	1076.0
5.405	298.15	1081.0
5.421	288.15	1084.0
7.765	308.15	1109.0
7.802	298.15	1115.0
7.839	288.15	1120.0
9.021	308.15	1128.0
9.069	298.15	1134.0
9.106	288.15	1138.0

Mass density, kg/m3 [ref]

Operational conditions:

• Molality, mol/kg = 1 (Liquid)
• Pressure, kPa = 101 (Liquid)

Temperature, K - Liquid	Mass density, kg/m3 - Liquid
308.15	1009.1
318.15	1005.0

Mass density, kg/m3 [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Molality, mol/kg of Urea (1) - Liquid	Mass density, kg/m3 - Liquid
293.15	0.0256	998.624
293.15	0.0533	999.077
293.15	0.0747	999.427
293.15	0.0939	999.747
293.15	0.1236	1000.233
293.15	0.1442	1000.566
293.15	0.1762	1001.099
293.15	0.2005	1001.498
298.15	0.0256	997.458
298.15	0.0533	997.903
298.15	0.0747	998.251
298.15	0.0939	998.559
298.15	0.1236	999.04
298.15	0.1442	999.367
298.15	0.1762	999.891
298.15	0.2005	1000.281
303.15	0.0256	996.057
303.15	0.0533	996.499
303.15	0.0747	996.841
303.15	0.0939	997.145
303.15	0.1236	997.618
303.15	0.1442	997.949
303.15	0.1762	998.455
303.15	0.2005	998.84
308.15	0.0256	994.437
308.15	0.0533	994.868
308.15	0.0747	995.206
308.15	0.0939	995.501
308.15	0.1236	995.97
308.15	0.1442	996.288
308.15	0.1762	996.793
308.15	0.2005	997.172

Mass density, kg/m3 [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Molality, mol/kg of Urea (1) - Liquid	Mass density, kg/m3 - Liquid
278.15	0.0499	1000.84
278.15	0.0502	1000.85
278.15	0.0999	1001.71
278.15	0.1009	1001.73
278.15	0.1991	1003.43
278.15	0.2013	1003.46
278.15	0.4998	1008.56
278.15	0.5003	1008.56
278.15	0.9984	1016.7
278.15	1.0006	1016.72
278.15	1.4998	1024.46
278.15	1.5013	1024.51
288.15	0.0499	999.93
288.15	0.0502	999.93
288.15	0.0999	1000.76
288.15	0.1009	1000.77
288.15	0.1991	1002.37
288.15	0.2013	1002.4
288.15	0.4998	1007.22
288.15	0.5003	1007.21
288.15	0.9984	1014.93
288.15	1.0006	1014.95
288.15	1.4998	1022.29
288.15	1.5013	1022.35
298.15	0.0499	997.83
298.15	0.0502	997.84
298.15	0.0999	998.61
298.15	0.1009	998.64
298.15	0.1991	1000.18
298.15	0.2013	1000.19
298.15	0.4998	1004.8
298.15	0.5003	1004.79
298.15	0.9984	1012.18
298.15	1.0006	1012.19
298.15	1.4998	1019.22
298.15	1.5013	1019.28
308.15	0.0499	994.79
308.15	0.0502	994.8
308.15	0.0999	995.55
308.15	0.1009	995.57
308.15	0.1991	997.04
308.15	0.2013	997.07
308.15	0.4998	1001.52
308.15	0.5003	1001.52
308.15	0.9984	1008.64
308.15	1.0006	1008.66
308.15	1.4998	1015.46
308.15	1.5013	1015.52
318.15	0.0499	990.95
318.15	0.0502	990.96
318.15	0.0999	991.68
318.15	0.1009	991.71
318.15	0.1991	993.15
318.15	0.2013	993.17
318.15	0.4998	997.49
318.15	0.5003	997.48
318.15	0.9984	1004.42
318.15	1.0006	1004.44
318.15	1.4998	1011.06
318.15	1.5013	1011.11

Speed of sound, m/s [ref]

Operational conditions:

• Pressure, kPa = 101 (Liquid)
• Temperature, K = 298.15 (Liquid)

Molality, mol/kg of Urea (1) - Liquid	Speed of sound, m/s - Liquid
0.0652	1498.45
0.1233	1500.0
0.1812	1501.55
0.2403	1503.08
0.3004	1504.6

Speed of sound, m/s [ref]

Operational conditions:

• Pressure, kPa = 100 (Liquid)
• Frequency, MHz = 3 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Molality, mol/kg of Urea (1) - Liquid	Speed of sound, m/s - Liquid
288.15	0.0000	1466.6
288.15	0.0504	1468.2
288.15	0.0807	1469.1
288.15	0.1107	1470.0
288.15	0.1510	1471.3
288.15	0.2005	1472.8
288.15	0.2512	1474.1
293.15	0.0000	1482.5
293.15	0.0504	1483.9
293.15	0.0807	1484.8
293.15	0.1107	1485.6
293.15	0.1510	1486.8
293.15	0.2005	1488.1
293.15	0.2512	1489.5
298.15	0.0000	1496.7
298.15	0.0504	1498.0
298.15	0.0807	1498.8
298.15	0.1107	1499.6
298.15	0.1510	1500.6
298.15	0.2005	1501.9
298.15	0.2512	1503.1
303.15	0.0000	1509.1
303.15	0.0504	1510.3
303.15	0.0807	1511.0
303.15	0.1107	1511.8
303.15	0.1510	1512.7
303.15	0.2005	1513.9
303.15	0.2512	1515.0
308.15	0.0000	1519.8
308.15	0.0504	1520.9
308.15	0.0807	1521.6
308.15	0.1107	1522.2
308.15	0.1510	1523.1
308.15	0.2005	1524.2
308.15	0.2512	1525.3

Speed of sound, m/s [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed		Measured
Amount concentration (molarity), mol/dm3 of Urea (1) - Liquid	Temperature, K - Liquid	Speed of sound, m/s - Liquid
2.051	308.15	1564.8
2.059	298.15	1548.9
2.065	288.15	1527.2
3.124	308.15	1587.1
3.139	298.15	1574.8
3.148	288.15	1557.2
4.232	308.15	1610.9
4.253	298.15	1601.1
4.269	288.15	1587.6
4.275	283.10	1578.8
5.378	308.15	1633.2
5.405	298.15	1627.1
5.421	288.15	1617.0
7.765	308.15	1680.9
7.802	298.15	1680.3
7.839	288.15	1676.8
9.021	308.15	1704.1
9.069	298.15	1706.3
9.106	288.15	1706.5

Speed of sound, m/s [ref]

Operational conditions:

• Pressure, kPa = 101 (Liquid)
• Temperature, K = 298.15 (Liquid)

Molality, mol/kg of Urea (1) - Liquid	Speed of sound, m/s - Liquid
0.0652	1498.45
0.1233	1500.0
0.1812	1501.55
0.2403	1503.08
0.3004	1504.6

Speed of sound, m/s [ref]

Operational conditions:

• Pressure, kPa = 100 (Liquid)
• Frequency, MHz = 3 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Molality, mol/kg of Urea (1) - Liquid	Speed of sound, m/s - Liquid
288.15	0.0000	1466.6
288.15	0.0504	1468.2
288.15	0.0807	1469.1
288.15	0.1107	1470.0
288.15	0.1510	1471.3
288.15	0.2005	1472.8
288.15	0.2512	1474.1
293.15	0.0000	1482.5
293.15	0.0504	1483.9
293.15	0.0807	1484.8
293.15	0.1107	1485.6
293.15	0.1510	1486.8
293.15	0.2005	1488.1
293.15	0.2512	1489.5
298.15	0.0000	1496.7
298.15	0.0504	1498.0
298.15	0.0807	1498.8
298.15	0.1107	1499.6
298.15	0.1510	1500.6
298.15	0.2005	1501.9
298.15	0.2512	1503.1
303.15	0.0000	1509.1
303.15	0.0504	1510.3
303.15	0.0807	1511.0
303.15	0.1107	1511.8
303.15	0.1510	1512.7
303.15	0.2005	1513.9
303.15	0.2512	1515.0
308.15	0.0000	1519.8
308.15	0.0504	1520.9
308.15	0.0807	1521.6
308.15	0.1107	1522.2
308.15	0.1510	1523.1
308.15	0.2005	1524.2
308.15	0.2512	1525.3

Speed of sound, m/s [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed		Measured
Amount concentration (molarity), mol/dm3 of Urea (1) - Liquid	Temperature, K - Liquid	Speed of sound, m/s - Liquid
2.051	308.15	1564.8
2.059	298.15	1548.9
2.065	288.15	1527.2
3.124	308.15	1587.1
3.139	298.15	1574.8
3.148	288.15	1557.2
4.232	308.15	1610.9
4.253	298.15	1601.1
4.269	288.15	1587.6
4.275	283.10	1578.8
5.378	308.15	1633.2
5.405	298.15	1627.1
5.421	288.15	1617.0
7.765	308.15	1680.9
7.802	298.15	1680.3
7.839	288.15	1676.8
9.021	308.15	1704.1
9.069	298.15	1706.3
9.106	288.15	1706.5

Boiling temperature at pressure P, K [ref]

Operational condition: Pressure, kPa = 98.5 (Liquid)

Amount concentration (molarity), mol/dm3 of Urea (1) - Liquid	Boiling temperature at pressure P, K - Liquid
2.26	372.85
4.16	373.65

Boiling temperature at pressure P, K [ref]

Operational condition: Pressure, kPa = 98.5 (Liquid)

Amount concentration (molarity), mol/dm3 of Urea (1) - Liquid	Boiling temperature at pressure P, K - Liquid
2.26	372.85
4.16	373.65

Binary diffusion coefficient, m2/s [ref]

Operational conditions:

• Pressure, kPa = 101 (Liquid)
• Temperature, K = 298 (Liquid)

Amount concentration (molarity), mol/dm3 of Urea (1) - Liquid	Binary diffusion coefficient, m2/s - Liquid
0.1250	0.0000
0.2475	0.0000
0.5000	0.0000
0.7500	0.0000
0.9782	0.0000
1.0000	0.0000
1.5	0.0000
2.0	0.0000
3.0002	0.0000
3.9999	0.0000

Binary diffusion coefficient, m2/s [ref]

Operational conditions:

• Pressure, kPa = 101 (Liquid)
• Temperature, K = 298 (Liquid)

Amount concentration (molarity), mol/dm3 of Urea (1) - Liquid	Binary diffusion coefficient, m2/s - Liquid
0.1250	0.0000
0.2475	0.0000
0.5000	0.0000
0.7500	0.0000
0.9782	0.0000
1.0000	0.0000
1.5	0.0000
2.0	0.0000
3.0002	0.0000
3.9999	0.0000

Apparent molar volume, m3/mol [ref]

Operational condition: Pressure, kPa = 350 (Liquid)

Fixed		Measured
Molality, mol/kg of Urea (1) - Liquid	Temperature, K - Liquid	Apparent molar volume, m3/mol - Liquid
0.0204	278.15	0.0000
0.0204	283.15	0.0000
0.0204	288.15	0.0000
0.0204	298.15	0.0000
0.0204	308.15	0.0000
0.0204	318.15	0.0000
0.0399	278.15	0.0000
0.0399	283.15	0.0000
0.0399	288.15	0.0000
0.0399	298.15	0.0000
0.0399	308.15	0.0000
0.0399	318.15	0.0000
0.0595	278.15	0.0000
0.0595	283.15	0.0000
0.0595	288.15	0.0000
0.0595	298.15	0.0000
0.0595	308.15	0.0000
0.0595	318.15	0.0000
0.1004	278.15	0.0000
0.1004	283.15	0.0000
0.1004	288.15	0.0000
0.1004	298.15	0.0000
0.1004	308.15	0.0000
0.1004	318.15	0.0000
0.2484	278.15	0.0000
0.2484	283.15	0.0000
0.2484	288.15	0.0000
0.2484	298.15	0.0000
0.2484	308.15	0.0000
0.2484	318.15	0.0000
0.4980	278.15	0.0000
0.4980	283.15	0.0000
0.4980	288.15	0.0000
0.4980	298.15	0.0000
0.4980	308.15	0.0000
0.4980	318.15	0.0000
0.7294	278.15	0.0000
0.7294	283.15	0.0000
0.7294	288.15	0.0000
0.7294	298.15	0.0000
0.7294	308.15	0.0000
0.7294	318.15	0.0000
0.9869	278.15	0.0000
0.9869	283.15	0.0000
0.9869	288.15	0.0000
0.9869	298.15	0.0000
0.9869	308.15	0.0000
0.9869	318.15	0.0000
2.021	278.15	0.0000
2.021	283.15	0.0000
2.021	288.15	0.0000
2.021	298.15	0.0000
2.021	308.15	0.0000
2.021	318.15	0.0000
2.996	278.15	0.0000
2.996	283.15	0.0000
2.996	288.15	0.0000
2.996	298.15	0.0000
2.996	308.15	0.0000
2.996	318.15	0.0000
3.984	278.15	0.0000
3.984	283.15	0.0000
3.984	288.15	0.0000
3.984	298.15	0.0000
3.984	308.15	0.0000
3.984	318.15	0.0000
6.005	278.15	0.0000
6.005	283.15	0.0000
6.005	288.15	0.0000
6.005	298.15	0.0000
6.005	308.15	0.0000
6.005	318.15	0.0000

Apparent molar volume, m3/mol [ref]

Operational condition: Pressure, kPa = 350 (Liquid)

Fixed		Measured
Molality, mol/kg of Urea (1) - Liquid	Temperature, K - Liquid	Apparent molar volume, m3/mol - Liquid
0.0204	278.15	0.0000
0.0204	283.15	0.0000
0.0204	288.15	0.0000
0.0204	298.15	0.0000
0.0204	308.15	0.0000
0.0204	318.15	0.0000
0.0399	278.15	0.0000
0.0399	283.15	0.0000
0.0399	288.15	0.0000
0.0399	298.15	0.0000
0.0399	308.15	0.0000
0.0399	318.15	0.0000
0.0595	278.15	0.0000
0.0595	283.15	0.0000
0.0595	288.15	0.0000
0.0595	298.15	0.0000
0.0595	308.15	0.0000
0.0595	318.15	0.0000
0.1004	278.15	0.0000
0.1004	283.15	0.0000
0.1004	288.15	0.0000
0.1004	298.15	0.0000
0.1004	308.15	0.0000
0.1004	318.15	0.0000
0.2484	278.15	0.0000
0.2484	283.15	0.0000
0.2484	288.15	0.0000
0.2484	298.15	0.0000
0.2484	308.15	0.0000
0.2484	318.15	0.0000
0.4980	278.15	0.0000
0.4980	283.15	0.0000
0.4980	288.15	0.0000
0.4980	298.15	0.0000
0.4980	308.15	0.0000
0.4980	318.15	0.0000
0.7294	278.15	0.0000
0.7294	283.15	0.0000
0.7294	288.15	0.0000
0.7294	298.15	0.0000
0.7294	308.15	0.0000
0.7294	318.15	0.0000
0.9869	278.15	0.0000
0.9869	283.15	0.0000
0.9869	288.15	0.0000
0.9869	298.15	0.0000
0.9869	308.15	0.0000
0.9869	318.15	0.0000
2.021	278.15	0.0000
2.021	283.15	0.0000
2.021	288.15	0.0000
2.021	298.15	0.0000
2.021	308.15	0.0000
2.021	318.15	0.0000
2.996	278.15	0.0000
2.996	283.15	0.0000
2.996	288.15	0.0000
2.996	298.15	0.0000
2.996	308.15	0.0000
2.996	318.15	0.0000
3.984	278.15	0.0000
3.984	283.15	0.0000
3.984	288.15	0.0000
3.984	298.15	0.0000
3.984	308.15	0.0000
3.984	318.15	0.0000
6.005	278.15	0.0000
6.005	283.15	0.0000
6.005	288.15	0.0000
6.005	298.15	0.0000
6.005	308.15	0.0000
6.005	318.15	0.0000

Sources

• Phase diagrams of Na2SO4-MgSO4-CO(NH2)2-H2O system at 60 C and their application
• Solid-liquid phase equilibria in aqueous solutions of four common fertilizers at 303.2 K and atmospheric pressure
• Apparent molar volumes and apparent molar heat capacities of aqueous urea, 1,1-dimethylurea, and N,N'-dimethylurea at temperatures from (278.15 to 348.15) K and at the pressure 0.35 MPa
• Densimetric and ultrasonic characterization of urea and its derivatives in water
• Hydration of urea and its derivatives - Volumetric and compressibility studies
• Measurement and modelling of urea solubility in aqueous propane-1,2,3-triol and prop-2-enoic acid solutions
• Density and volumetric properties of the aqueous solutions of urea at temperatures from T = (278 to 333) K and pressures up to 100 MPa
• Volume-related solvation and pair interaction parameters for dilute solutions of urea and tetramethylurea in ethylene glycol between 288.15 K and 328.15 K: A comparative analysis
• (Solid + Liquid) Phase Equilibrium in the Aqueous Ternary System NaH2PO4 + CO(NH2)2 + H2O at (308.15, 328.15, and 348.15) K
• Standard Volumetric Properties of Chiral N-Methyl-Substituted Glycolurils in Water between 278.15 and 318.15 K at Ambient Pressure
• Studies of the Effect of Urea on PEG-4000 Polymer-Water Interactions at 298.15 K
• Vapor-Liquid Equilibria Study of the Aqueous Systems Containing {Choline Chloride + Glucose or Urea} and Their Deep Eutectic Solvents at 298.15 K and 85 kPa
• Solutions of Urea and Tetramethylurea in Formamide and Water: A Comparative Analysis of Volume Characteristics and Solute-Solute Interaction Parameters at Temperatures from 288.15 to 328.15 K and Ambient Pressure
• Studies on the Diffusion Coefficients of Amino Acids in Aqueous Solutions
• Acoustical Properties of Aqueous Solutions of Urea: Reference Data for the Ultrasonic Spectrometry of Liquids
• Bubble Point Pressure of the Solutions of H2SiF6 + H2O and H2SiF6 + CO(NH2)2 + H2O from 323 K to 353 K
• Volumetric and Transport Behavior of Different Carbohydrates in Aqueous and Aqueous Urea Mixtures at Different Temperatures
• Volumetric Properties of Urea in the Mixture of N,N-Dimethylformamide with Water
• Viscosity of Urea in the Mixture of N,N-Dimethylformamide and Water
• Apparent Molar Volumes and Expansibilities of Thiourea, 1,3-Dimethylurea, and 1,3-Dimethylthiourea in Water at Temperatures from T = (278.15 to 318.15) K and Atmospheric Pressure
• Measurement and Correlation of Solubilities of 4-Amino-3,6-dichloropyridazine in Ethanol + Water Mixtures from (303.15 to 323.15) K
• Measurement and Correlation of the Solubility for 4,4'-Diaminodiphenylmethane in Different Solvents
• Effect of Diaminomethanal on the Vapor-Liquid Equilibria of the Ethanol + Water System at Atmospheric Pressure