Mixture of 2-Pyrrolidinone, 1-methyl- + Water

Datasets

1. Activity coefficient (2)
2. Mole fraction (2)
3. C_p,liquid - Molar heat capacity at constant pressure, J/K/mol (2)
4. η - Viscosity, Pa*s (6)
5. Excess molar heat capacity, J/K/mol (2)
6. P_vap - Vapor or sublimation pressure, kPa (2)
7. n₀ - Refractive index (Na D-line) (4)
8. ρ_l - Mass density, kg/m3 (8)
9. c_sound,fluid - Speed of Sound, m/s (6)
10. γ - Surface tension liquid-gas, N/m (2)
11. Vapor Liquid Equilibrium at Constant Pressure (3)

Activity coefficient of 2-Pyrrolidinone, 1-methyl- (1) [ref]

Operational conditions:

• Mole fraction = 0 (Liquid)
• Pressure, kPa = 101 (Liquid)

Temperature, K - Liquid	Activity coefficient of 2-Pyrrolidinone, 1-methyl- (1) - Liquid
333.15	1.34
343.15	1.56
353.15	1.75
372.85	2.07

Activity coefficient of 2-Pyrrolidinone, 1-methyl- (1) [ref]

Operational conditions:

• Mole fraction = 0 (Liquid)
• Pressure, kPa = 101 (Liquid)

Temperature, K - Liquid	Activity coefficient of 2-Pyrrolidinone, 1-methyl- (1) - Liquid
333.15	1.34
343.15	1.56
353.15	1.75
372.85	2.07

Mole fraction of Water (2) [ref]

Fixed		Measured
Mole fraction of Water (2) - Liquid	Temperature, K - Liquid	Mole fraction of Water (2) - Gas
0.0000	343.15	0.0000
0.3400	343.15	0.9480
0.4620	343.15	0.9680
0.5230	343.15	0.9800
0.6050	343.15	0.9890
0.6570	343.15	0.9930
0.7330	343.15	0.9940
0.8120	343.15	0.9960
0.9230	343.15	0.9960
1.0000	343.15	1.0000
0.0000	363.15	0.0000
0.1820	363.15	0.8430
0.3220	363.15	0.9360
0.4070	363.15	0.9540
0.5190	363.15	0.9710
0.6740	363.15	0.9910
0.7820	363.15	0.9950
0.8790	363.15	0.9970
0.9590	363.15	0.9980
1.0000	363.15	1.0000
0.0000	380.15	0.0000
0.1200	380.15	0.7670
0.2310	380.15	0.8790
0.3300	380.15	0.9270
0.4050	380.15	0.9480
0.4720	380.15	0.9660
0.5040	380.15	0.9710
0.5770	380.15	0.9800
0.6820	380.15	0.9850
1.0000	380.15	1.0000

Mole fraction of Water (2) [ref]

Fixed		Measured
Mole fraction of Water (2) - Liquid	Temperature, K - Liquid	Mole fraction of Water (2) - Gas
0.0000	343.15	0.0000
0.3400	343.15	0.9480
0.4620	343.15	0.9680
0.5230	343.15	0.9800
0.6050	343.15	0.9890
0.6570	343.15	0.9930
0.7330	343.15	0.9940
0.8120	343.15	0.9960
0.9230	343.15	0.9960
1.0000	343.15	1.0000
0.0000	363.15	0.0000
0.1820	363.15	0.8430
0.3220	363.15	0.9360
0.4070	363.15	0.9540
0.5190	363.15	0.9710
0.6740	363.15	0.9910
0.7820	363.15	0.9950
0.8790	363.15	0.9970
0.9590	363.15	0.9980
1.0000	363.15	1.0000
0.0000	380.15	0.0000
0.1200	380.15	0.7670
0.2310	380.15	0.8790
0.3300	380.15	0.9270
0.4050	380.15	0.9480
0.4720	380.15	0.9660
0.5040	380.15	0.9710
0.5770	380.15	0.9800
0.6820	380.15	0.9850
1.0000	380.15	1.0000

Molar heat capacity at constant pressure, J/K/mol [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Mole fraction of 2-Pyrrolidinone, 1-methyl- (1) - Liquid	Molar heat capacity at constant pressure, J/K/mol - Liquid
303.15	0.0999	90.00
303.15	0.1998	102.00
303.15	0.2984	113.00
303.15	0.3979	122.00
303.15	0.4961	129.00
303.15	0.5981	137.00
303.15	0.6917	144.00
303.15	0.7990	152.00
303.15	0.8946	158.00
303.15	1.0000	166.00
308.15	0.0999	90.00
308.15	0.1998	103.00
308.15	0.2984	114.00
308.15	0.3979	123.00
308.15	0.4961	131.00
308.15	0.5981	138.00
308.15	0.6917	146.00
308.15	0.7990	153.00
308.15	0.8946	160.00
308.15	1.0000	167.00
313.15	0.0999	91.00
313.15	0.1998	104.00
313.15	0.2984	115.00
313.15	0.3979	124.00
313.15	0.4961	132.00
313.15	0.5981	140.00
313.15	0.6917	147.00
313.15	0.7990	154.00
313.15	0.8946	161.00
313.15	1.0000	168.00
318.15	0.0999	91.00
318.15	0.1998	105.00
318.15	0.2984	116.00
318.15	0.3979	125.00
318.15	0.4961	133.00
318.15	0.5981	141.00
318.15	0.6917	148.00
318.15	0.7990	155.00
318.15	0.8946	162.00
318.15	1.0000	169.00
323.15	0.0999	92.00
323.15	0.1998	105.00
323.15	0.2984	118.00
323.15	0.3979	127.00
323.15	0.4961	135.00
323.15	0.5981	142.00
323.15	0.6917	150.00
323.15	0.7990	157.00
323.15	0.8946	164.00
323.15	1.0000	170.00
328.15	0.0999	92.00
328.15	0.1998	106.00
328.15	0.2984	119.00
328.15	0.3979	128.00
328.15	0.4961	136.00
328.15	0.5981	144.00
328.15	0.6917	151.00
328.15	0.7990	158.00
328.15	0.8946	165.00
328.15	1.0000	172.00
333.15	0.0999	93.00
333.15	0.1998	107.00
333.15	0.2984	120.00
333.15	0.3979	129.00
333.15	0.4961	138.00
333.15	0.5981	145.00
333.15	0.6917	153.00
333.15	0.7990	160.00
333.15	0.8946	166.00
333.15	1.0000	174.00
338.15	0.0999	93.00
338.15	0.1998	108.00
338.15	0.2984	121.00
338.15	0.3979	131.00
338.15	0.4961	139.00
338.15	0.5981	147.00
338.15	0.6917	154.00
338.15	0.7990	161.00
338.15	0.8946	168.00
338.15	1.0000	175.00
343.15	0.0999	94.00
343.15	0.1998	109.00
343.15	0.2984	122.00
343.15	0.3979	132.00
343.15	0.4961	141.00
343.15	0.5981	149.00
343.15	0.6917	156.00
343.15	0.7990	163.00
343.15	0.8946	169.00
343.15	1.0000	176.00
348.15	0.0999	95.00
348.15	0.1998	110.00
348.15	0.2984	123.00
348.15	0.3979	133.00
348.15	0.4961	142.00
348.15	0.5981	150.00
348.15	0.6917	157.00
348.15	0.7990	164.00
348.15	0.8946	170.00
348.15	1.0000	177.00
353.15	0.0999	95.00
353.15	0.1998	110.00
353.15	0.2984	124.00
353.15	0.3979	134.00
353.15	0.4961	142.00
353.15	0.5981	151.00
353.15	0.6917	158.00
353.15	0.7990	165.00
353.15	0.8946	170.00
353.15	1.0000	178.00

Molar heat capacity at constant pressure, J/K/mol [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Mole fraction of 2-Pyrrolidinone, 1-methyl- (1) - Liquid	Molar heat capacity at constant pressure, J/K/mol - Liquid
303.15	0.0999	90.00
303.15	0.1998	102.00
303.15	0.2984	113.00
303.15	0.3979	122.00
303.15	0.4961	129.00
303.15	0.5981	137.00
303.15	0.6917	144.00
303.15	0.7990	152.00
303.15	0.8946	158.00
303.15	1.0000	166.00
308.15	0.0999	90.00
308.15	0.1998	103.00
308.15	0.2984	114.00
308.15	0.3979	123.00
308.15	0.4961	131.00
308.15	0.5981	138.00
308.15	0.6917	146.00
308.15	0.7990	153.00
308.15	0.8946	160.00
308.15	1.0000	167.00
313.15	0.0999	91.00
313.15	0.1998	104.00
313.15	0.2984	115.00
313.15	0.3979	124.00
313.15	0.4961	132.00
313.15	0.5981	140.00
313.15	0.6917	147.00
313.15	0.7990	154.00
313.15	0.8946	161.00
313.15	1.0000	168.00
318.15	0.0999	91.00
318.15	0.1998	105.00
318.15	0.2984	116.00
318.15	0.3979	125.00
318.15	0.4961	133.00
318.15	0.5981	141.00
318.15	0.6917	148.00
318.15	0.7990	155.00
318.15	0.8946	162.00
318.15	1.0000	169.00
323.15	0.0999	92.00
323.15	0.1998	105.00
323.15	0.2984	118.00
323.15	0.3979	127.00
323.15	0.4961	135.00
323.15	0.5981	142.00
323.15	0.6917	150.00
323.15	0.7990	157.00
323.15	0.8946	164.00
323.15	1.0000	170.00
328.15	0.0999	92.00
328.15	0.1998	106.00
328.15	0.2984	119.00
328.15	0.3979	128.00
328.15	0.4961	136.00
328.15	0.5981	144.00
328.15	0.6917	151.00
328.15	0.7990	158.00
328.15	0.8946	165.00
328.15	1.0000	172.00
333.15	0.0999	93.00
333.15	0.1998	107.00
333.15	0.2984	120.00
333.15	0.3979	129.00
333.15	0.4961	138.00
333.15	0.5981	145.00
333.15	0.6917	153.00
333.15	0.7990	160.00
333.15	0.8946	166.00
333.15	1.0000	174.00
338.15	0.0999	93.00
338.15	0.1998	108.00
338.15	0.2984	121.00
338.15	0.3979	131.00
338.15	0.4961	139.00
338.15	0.5981	147.00
338.15	0.6917	154.00
338.15	0.7990	161.00
338.15	0.8946	168.00
338.15	1.0000	175.00
343.15	0.0999	94.00
343.15	0.1998	109.00
343.15	0.2984	122.00
343.15	0.3979	132.00
343.15	0.4961	141.00
343.15	0.5981	149.00
343.15	0.6917	156.00
343.15	0.7990	163.00
343.15	0.8946	169.00
343.15	1.0000	176.00
348.15	0.0999	95.00
348.15	0.1998	110.00
348.15	0.2984	123.00
348.15	0.3979	133.00
348.15	0.4961	142.00
348.15	0.5981	150.00
348.15	0.6917	157.00
348.15	0.7990	164.00
348.15	0.8946	170.00
348.15	1.0000	177.00
353.15	0.0999	95.00
353.15	0.1998	110.00
353.15	0.2984	124.00
353.15	0.3979	134.00
353.15	0.4961	142.00
353.15	0.5981	151.00
353.15	0.6917	158.00
353.15	0.7990	165.00
353.15	0.8946	170.00
353.15	1.0000	178.00

Viscosity, Pa*s [ref]

Operational condition: Pressure, kPa = 101.15 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Mole fraction of 2-Pyrrolidinone, 1-methyl- (1) - Liquid	Viscosity, Pa*s - Liquid
298.15	0.0000	0.0009
298.15	0.0501	0.0017
298.15	0.0701	0.0021
298.15	0.1001	0.0028
298.15	0.2004	0.0046
298.15	0.3004	0.0051
298.15	0.4012	0.0045
298.15	0.5030	0.0037
298.15	0.5937	0.0031
298.15	0.7023	0.0025
298.15	0.8066	0.0021
298.15	0.9006	0.0018
298.15	1.0000	0.0017
313.15	0.0000	0.0007
313.15	0.0501	0.0012
313.15	0.0701	0.0014
313.15	0.1001	0.0017
313.15	0.2004	0.0027
313.15	0.3004	0.0030
313.15	0.4012	0.0028
313.15	0.5030	0.0024
313.15	0.5937	0.0021
313.15	0.7023	0.0018
313.15	0.8066	0.0016
313.15	0.9006	0.0014
313.15	1.0000	0.0013
323.15	0.0000	0.0005
323.15	0.0501	0.0009
323.15	0.0701	0.0011
323.15	0.1001	0.0014
323.15	0.2004	0.0020
323.15	0.3004	0.0022
323.15	0.4012	0.0021
323.15	0.5030	0.0019
323.15	0.5937	0.0017
323.15	0.7023	0.0015
323.15	0.8066	0.0013
323.15	0.9006	0.0012
323.15	1.0000	0.0012
333.15	0.0000	0.0005
333.15	0.0501	0.0008
333.15	0.0701	0.0009
333.15	0.1001	0.0011
333.15	0.2004	0.0015
333.15	0.3004	0.0017
333.15	0.4012	0.0017
333.15	0.5030	0.0015
333.15	0.5937	0.0014
333.15	0.7023	0.0013
333.15	0.8066	0.0012
333.15	0.9006	0.0011
333.15	1.0000	0.0010
343.15	0.0000	0.0004
343.15	0.0501	0.0006
343.15	0.0701	0.0007
343.15	0.1001	0.0009
343.15	0.2004	0.0012
343.15	0.3004	0.0014
343.15	0.4012	0.0013
343.15	0.5030	0.0013
343.15	0.5937	0.0012
343.15	0.7023	0.0011
343.15	0.8066	0.0010
343.15	0.9006	0.0010
343.15	1.0000	0.0009

Viscosity, Pa*s [ref]

Operational condition: Pressure, kPa = 101.3 (Liquid)

Fixed		Measured
Mole fraction of Water (2) - Liquid	Temperature, K - Liquid	Viscosity, Pa*s - Liquid
0.0522	298.15	0.0017
0.0522	308.15	0.0014
0.0522	318.15	0.0012
0.0522	328.15	0.0011
0.0522	338.15	0.0010
0.1684	298.15	0.0020
0.1684	308.15	0.0016
0.1684	318.15	0.0014
0.1684	328.15	0.0012
0.1684	338.15	0.0010
0.2465	298.15	0.0021
0.2465	308.15	0.0017
0.2465	318.15	0.0014
0.2465	328.15	0.0012
0.2465	338.15	0.0010
0.3481	298.15	0.0025
0.3481	308.15	0.0020
0.3481	318.15	0.0016
0.3481	328.15	0.0014
0.3481	338.15	0.0011
0.4534	298.15	0.0033
0.4534	308.15	0.0026
0.4534	318.15	0.0020
0.4534	328.15	0.0016
0.4534	338.15	0.0013
0.5018	298.15	0.0038
0.5018	308.15	0.0029
0.5018	318.15	0.0023
0.5018	328.15	0.0018
0.5018	338.15	0.0015
0.5493	298.15	0.0043
0.5493	308.15	0.0033
0.5493	318.15	0.0025
0.5493	328.15	0.0020
0.5493	338.15	0.0016
0.6504	298.15	0.0052
0.6504	308.15	0.0039
0.6504	318.15	0.0030
0.6504	328.15	0.0023
0.6504	338.15	0.0018
0.7520	298.15	0.0051
0.7520	308.15	0.0038
0.7520	318.15	0.0029
0.7520	328.15	0.0022
0.7520	338.15	0.0017
0.8536	298.15	0.0037
0.8536	308.15	0.0028
0.8536	318.15	0.0021
0.8536	328.15	0.0016
0.8536	338.15	0.0013
0.8742	298.15	0.0032
0.8742	308.15	0.0024
0.8742	318.15	0.0019
0.8742	328.15	0.0015
0.8742	338.15	0.0012
0.8849	298.15	0.0030
0.8849	308.15	0.0023
0.8849	318.15	0.0018
0.8849	328.15	0.0014
0.8849	338.15	0.0011
0.8996	298.15	0.0027
0.8996	308.15	0.0020
0.8996	318.15	0.0016
0.8996	328.15	0.0012
0.8996	338.15	0.0010
0.9257	298.15	0.0021
0.9257	308.15	0.0016
0.9257	318.15	0.0013
0.9257	328.15	0.0010
0.9257	338.15	0.0008
0.9368	298.15	0.0019
0.9368	308.15	0.0014
0.9368	318.15	0.0011
0.9368	328.15	0.0009
0.9368	338.15	0.0007
0.9557	298.15	0.0015
0.9557	308.15	0.0012
0.9557	318.15	0.0009
0.9557	328.15	0.0008
0.9557	338.15	0.0006
0.9641	298.15	0.0013
0.9641	308.15	0.0011
0.9641	318.15	0.0008
0.9641	328.15	0.0007
0.9641	338.15	0.0006
0.9754	298.15	0.0012
0.9754	308.15	0.0009
0.9754	318.15	0.0007
0.9754	328.15	0.0006
0.9754	338.15	0.0005
0.9900	298.15	0.0010
0.9900	308.15	0.0008
0.9900	318.15	0.0006
0.9900	328.15	0.0005
0.9900	338.15	0.0005

Viscosity, Pa*s [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Mole fraction of 2-Pyrrolidinone, 1-methyl- (1) - Liquid	Viscosity, Pa*s - Liquid
293.15	0.0000	0.0010
293.15	0.1000	0.0033
293.15	0.2000	0.0059
293.15	0.3001	0.0068
293.15	0.3994	0.0057
293.15	0.4997	0.0045
293.15	0.6001	0.0036
293.15	0.6997	0.0029
293.15	0.7982	0.0024
293.15	0.8990	0.0020
293.15	1.0000	0.0019
303.15	0.0000	0.0008
303.15	0.1000	0.0024
303.15	0.2000	0.0040
303.15	0.3001	0.0044
303.15	0.3994	0.0040
303.15	0.4997	0.0033
303.15	0.6001	0.0027
303.15	0.6997	0.0023
303.15	0.7982	0.0020
303.15	0.8990	0.0017
303.15	1.0000	0.0016
313.15	0.0000	0.0007
313.15	0.1000	0.0017
313.15	0.2000	0.0027
313.15	0.3001	0.0030
313.15	0.3994	0.0029
313.15	0.4997	0.0025
313.15	0.6001	0.0022
313.15	0.6997	0.0018
313.15	0.7982	0.0016
313.15	0.8990	0.0015
313.15	1.0000	0.0013
323.15	0.0000	0.0005
323.15	0.1000	0.0013
323.15	0.2000	0.0021
323.15	0.3001	0.0022
323.15	0.3994	0.0022
323.15	0.4997	0.0020
323.15	0.6001	0.0017
323.15	0.6997	0.0015
323.15	0.7982	0.0014
323.15	0.8990	0.0012
323.15	1.0000	0.0011

Viscosity, Pa*s [ref]

Operational condition: Pressure, kPa = 101.15 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Mole fraction of 2-Pyrrolidinone, 1-methyl- (1) - Liquid	Viscosity, Pa*s - Liquid
298.15	0.0000	0.0009
298.15	0.0501	0.0017
298.15	0.0701	0.0021
298.15	0.1001	0.0028
298.15	0.2004	0.0046
298.15	0.3004	0.0051
298.15	0.4012	0.0045
298.15	0.5030	0.0037
298.15	0.5937	0.0031
298.15	0.7023	0.0025
298.15	0.8066	0.0021
298.15	0.9006	0.0018
298.15	1.0000	0.0017
313.15	0.0000	0.0007
313.15	0.0501	0.0012
313.15	0.0701	0.0014
313.15	0.1001	0.0017
313.15	0.2004	0.0027
313.15	0.3004	0.0030
313.15	0.4012	0.0028
313.15	0.5030	0.0024
313.15	0.5937	0.0021
313.15	0.7023	0.0018
313.15	0.8066	0.0016
313.15	0.9006	0.0014
313.15	1.0000	0.0013
323.15	0.0000	0.0005
323.15	0.0501	0.0009
323.15	0.0701	0.0011
323.15	0.1001	0.0014
323.15	0.2004	0.0020
323.15	0.3004	0.0022
323.15	0.4012	0.0021
323.15	0.5030	0.0019
323.15	0.5937	0.0017
323.15	0.7023	0.0015
323.15	0.8066	0.0013
323.15	0.9006	0.0012
323.15	1.0000	0.0012
333.15	0.0000	0.0005
333.15	0.0501	0.0008
333.15	0.0701	0.0009
333.15	0.1001	0.0011
333.15	0.2004	0.0015
333.15	0.3004	0.0017
333.15	0.4012	0.0017
333.15	0.5030	0.0015
333.15	0.5937	0.0014
333.15	0.7023	0.0013
333.15	0.8066	0.0012
333.15	0.9006	0.0011
333.15	1.0000	0.0010
343.15	0.0000	0.0004
343.15	0.0501	0.0006
343.15	0.0701	0.0007
343.15	0.1001	0.0009
343.15	0.2004	0.0012
343.15	0.3004	0.0014
343.15	0.4012	0.0013
343.15	0.5030	0.0013
343.15	0.5937	0.0012
343.15	0.7023	0.0011
343.15	0.8066	0.0010
343.15	0.9006	0.0010
343.15	1.0000	0.0009

Viscosity, Pa*s [ref]

Operational condition: Pressure, kPa = 101.3 (Liquid)

Fixed		Measured
Mole fraction of Water (2) - Liquid	Temperature, K - Liquid	Viscosity, Pa*s - Liquid
0.0522	298.15	0.0017
0.0522	308.15	0.0014
0.0522	318.15	0.0012
0.0522	328.15	0.0011
0.0522	338.15	0.0010
0.1684	298.15	0.0020
0.1684	308.15	0.0016
0.1684	318.15	0.0014
0.1684	328.15	0.0012
0.1684	338.15	0.0010
0.2465	298.15	0.0021
0.2465	308.15	0.0017
0.2465	318.15	0.0014
0.2465	328.15	0.0012
0.2465	338.15	0.0010
0.3481	298.15	0.0025
0.3481	308.15	0.0020
0.3481	318.15	0.0016
0.3481	328.15	0.0014
0.3481	338.15	0.0011
0.4534	298.15	0.0033
0.4534	308.15	0.0026
0.4534	318.15	0.0020
0.4534	328.15	0.0016
0.4534	338.15	0.0013
0.5018	298.15	0.0038
0.5018	308.15	0.0029
0.5018	318.15	0.0023
0.5018	328.15	0.0018
0.5018	338.15	0.0015
0.5493	298.15	0.0043
0.5493	308.15	0.0033
0.5493	318.15	0.0025
0.5493	328.15	0.0020
0.5493	338.15	0.0016
0.6504	298.15	0.0052
0.6504	308.15	0.0039
0.6504	318.15	0.0030
0.6504	328.15	0.0023
0.6504	338.15	0.0018
0.7520	298.15	0.0051
0.7520	308.15	0.0038
0.7520	318.15	0.0029
0.7520	328.15	0.0022
0.7520	338.15	0.0017
0.8536	298.15	0.0037
0.8536	308.15	0.0028
0.8536	318.15	0.0021
0.8536	328.15	0.0016
0.8536	338.15	0.0013
0.8742	298.15	0.0032
0.8742	308.15	0.0024
0.8742	318.15	0.0019
0.8742	328.15	0.0015
0.8742	338.15	0.0012
0.8849	298.15	0.0030
0.8849	308.15	0.0023
0.8849	318.15	0.0018
0.8849	328.15	0.0014
0.8849	338.15	0.0011
0.8996	298.15	0.0027
0.8996	308.15	0.0020
0.8996	318.15	0.0016
0.8996	328.15	0.0012
0.8996	338.15	0.0010
0.9257	298.15	0.0021
0.9257	308.15	0.0016
0.9257	318.15	0.0013
0.9257	328.15	0.0010
0.9257	338.15	0.0008
0.9368	298.15	0.0019
0.9368	308.15	0.0014
0.9368	318.15	0.0011
0.9368	328.15	0.0009
0.9368	338.15	0.0007
0.9557	298.15	0.0015
0.9557	308.15	0.0012
0.9557	318.15	0.0009
0.9557	328.15	0.0008
0.9557	338.15	0.0006
0.9641	298.15	0.0013
0.9641	308.15	0.0011
0.9641	318.15	0.0008
0.9641	328.15	0.0007
0.9641	338.15	0.0006
0.9754	298.15	0.0012
0.9754	308.15	0.0009
0.9754	318.15	0.0007
0.9754	328.15	0.0006
0.9754	338.15	0.0005
0.9900	298.15	0.0010
0.9900	308.15	0.0008
0.9900	318.15	0.0006
0.9900	328.15	0.0005
0.9900	338.15	0.0005

Viscosity, Pa*s [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Mole fraction of 2-Pyrrolidinone, 1-methyl- (1) - Liquid	Viscosity, Pa*s - Liquid
293.15	0.0000	0.0010
293.15	0.1000	0.0033
293.15	0.2000	0.0059
293.15	0.3001	0.0068
293.15	0.3994	0.0057
293.15	0.4997	0.0045
293.15	0.6001	0.0036
293.15	0.6997	0.0029
293.15	0.7982	0.0024
293.15	0.8990	0.0020
293.15	1.0000	0.0019
303.15	0.0000	0.0008
303.15	0.1000	0.0024
303.15	0.2000	0.0040
303.15	0.3001	0.0044
303.15	0.3994	0.0040
303.15	0.4997	0.0033
303.15	0.6001	0.0027
303.15	0.6997	0.0023
303.15	0.7982	0.0020
303.15	0.8990	0.0017
303.15	1.0000	0.0016
313.15	0.0000	0.0007
313.15	0.1000	0.0017
313.15	0.2000	0.0027
313.15	0.3001	0.0030
313.15	0.3994	0.0029
313.15	0.4997	0.0025
313.15	0.6001	0.0022
313.15	0.6997	0.0018
313.15	0.7982	0.0016
313.15	0.8990	0.0015
313.15	1.0000	0.0013
323.15	0.0000	0.0005
323.15	0.1000	0.0013
323.15	0.2000	0.0021
323.15	0.3001	0.0022
323.15	0.3994	0.0022
323.15	0.4997	0.0020
323.15	0.6001	0.0017
323.15	0.6997	0.0015
323.15	0.7982	0.0014
323.15	0.8990	0.0012
323.15	1.0000	0.0011

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

Fixed			Measured
Temperature, K - Liquid	Pressure, kPa - Liquid	Mole fraction of 2-Pyrrolidinone, 1-methyl- (1) - Liquid	Excess molar heat capacity, J/K/mol - Liquid
298.15	101.00	0.0000	131.0

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

Fixed			Measured
Temperature, K - Liquid	Pressure, kPa - Liquid	Mole fraction of 2-Pyrrolidinone, 1-methyl- (1) - Liquid	Excess molar heat capacity, J/K/mol - Liquid
298.15	101.00	0.0000	131.0

Vapor or sublimation pressure, kPa [ref]

Fixed		Measured
Mole fraction of Water (2) - Liquid	Temperature, K - Liquid	Vapor or sublimation pressure, kPa - Liquid
0.0000	343.15	0.79
0.3400	343.15	9.01
0.4620	343.15	12.69
0.5230	343.15	14.79
0.6050	343.15	17.49
0.6570	343.15	19.29
0.7330	343.15	21.70
0.8120	343.15	24.90
0.9230	343.15	28.40
1.0000	343.15	31.10
0.0000	363.15	2.17
0.1820	363.15	11.39
0.3220	363.15	20.90
0.4070	363.15	26.09
0.5190	363.15	34.81
0.6740	363.15	45.22
0.7820	363.15	54.04
0.8790	363.15	61.73
0.9590	363.15	67.24
1.0000	363.15	70.14
0.0000	380.15	4.98
0.1200	380.15	17.29
0.2310	380.15	30.20
0.3300	380.15	44.22
0.4050	380.15	54.07
0.4720	380.15	63.03
0.5040	380.15	68.14
0.5770	380.15	77.95
0.6820	380.15	91.03
1.0000	380.15	129.90

Vapor or sublimation pressure, kPa [ref]

Fixed		Measured
Mole fraction of Water (2) - Liquid	Temperature, K - Liquid	Vapor or sublimation pressure, kPa - Liquid
0.0000	343.15	0.79
0.3400	343.15	9.01
0.4620	343.15	12.69
0.5230	343.15	14.79
0.6050	343.15	17.49
0.6570	343.15	19.29
0.7330	343.15	21.70
0.8120	343.15	24.90
0.9230	343.15	28.40
1.0000	343.15	31.10
0.0000	363.15	2.17
0.1820	363.15	11.39
0.3220	363.15	20.90
0.4070	363.15	26.09
0.5190	363.15	34.81
0.6740	363.15	45.22
0.7820	363.15	54.04
0.8790	363.15	61.73
0.9590	363.15	67.24
1.0000	363.15	70.14
0.0000	380.15	4.98
0.1200	380.15	17.29
0.2310	380.15	30.20
0.3300	380.15	44.22
0.4050	380.15	54.07
0.4720	380.15	63.03
0.5040	380.15	68.14
0.5770	380.15	77.95
0.6820	380.15	91.03
1.0000	380.15	129.90

Refractive index (Na D-line) [ref]

Operational conditions:

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

Mass fraction of 2-Pyrrolidinone, 1-methyl- (1) - Liquid	Refractive index (Na D-line) - Liquid
0.0958	1.3462
0.0961	1.3462

Refractive index (Na D-line) [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Mole fraction of 2-Pyrrolidinone, 1-methyl- (1) - Liquid	Refractive index (Na D-line) - Liquid
293.15	0.0000	1.333
293.15	0.1000	1.3907
293.15	0.2000	1.4221
293.15	0.3001	1.4402
293.15	0.3994	1.4507
293.15	0.4997	1.4573
293.15	0.6001	1.4618
293.15	0.6997	1.4648
293.15	0.7982	1.4673
293.15	0.8990	1.469
293.15	1.0000	1.4706
303.15	0.0000	1.3319
303.15	0.1000	1.3882
303.15	0.2000	1.4187
303.15	0.3001	1.4363
303.15	0.3994	1.4467
303.15	0.4997	1.4533
303.15	0.6001	1.4576
303.15	0.6997	1.4608
303.15	0.7982	1.4628
303.15	0.8990	1.4649
303.15	1.0000	1.4664
313.15	0.0000	1.3306
313.15	0.1000	1.3863
313.15	0.2000	1.4165
313.15	0.3001	1.4331
313.15	0.3994	1.4425
313.15	0.4997	1.4492
313.15	0.6001	1.4534
313.15	0.6997	1.4565
313.15	0.7982	1.4584
313.15	0.8990	1.4604
313.15	1.0000	1.4621
323.15	0.0000	1.329
323.15	0.1000	1.384
323.15	0.2000	1.4114
323.15	0.3001	1.4283
323.15	0.3994	1.4387
323.15	0.4997	1.445
323.15	0.6001	1.4495
323.15	0.6997	1.4524
323.15	0.7982	1.4546
323.15	0.8990	1.4564
323.15	1.0000	1.4576

Refractive index (Na D-line) [ref]

Operational conditions:

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

Mass fraction of 2-Pyrrolidinone, 1-methyl- (1) - Liquid	Refractive index (Na D-line) - Liquid
0.0958	1.3462
0.0961	1.3462

Refractive index (Na D-line) [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Mole fraction of 2-Pyrrolidinone, 1-methyl- (1) - Liquid	Refractive index (Na D-line) - Liquid
293.15	0.0000	1.333
293.15	0.1000	1.3907
293.15	0.2000	1.4221
293.15	0.3001	1.4402
293.15	0.3994	1.4507
293.15	0.4997	1.4573
293.15	0.6001	1.4618
293.15	0.6997	1.4648
293.15	0.7982	1.4673
293.15	0.8990	1.469
293.15	1.0000	1.4706
303.15	0.0000	1.3319
303.15	0.1000	1.3882
303.15	0.2000	1.4187
303.15	0.3001	1.4363
303.15	0.3994	1.4467
303.15	0.4997	1.4533
303.15	0.6001	1.4576
303.15	0.6997	1.4608
303.15	0.7982	1.4628
303.15	0.8990	1.4649
303.15	1.0000	1.4664
313.15	0.0000	1.3306
313.15	0.1000	1.3863
313.15	0.2000	1.4165
313.15	0.3001	1.4331
313.15	0.3994	1.4425
313.15	0.4997	1.4492
313.15	0.6001	1.4534
313.15	0.6997	1.4565
313.15	0.7982	1.4584
313.15	0.8990	1.4604
313.15	1.0000	1.4621
323.15	0.0000	1.329
323.15	0.1000	1.384
323.15	0.2000	1.4114
323.15	0.3001	1.4283
323.15	0.3994	1.4387
323.15	0.4997	1.445
323.15	0.6001	1.4495
323.15	0.6997	1.4524
323.15	0.7982	1.4546
323.15	0.8990	1.4564
323.15	1.0000	1.4576

Mass density, kg/m3 [ref]

Operational conditions:

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

Mole fraction of 2-Pyrrolidinone, 1-methyl- (1) - Liquid	Mass density, kg/m3 - Liquid
0.0000	997.02
0.0253	1004.51
0.0601	1014.28
0.0803	1020.63
0.1008	1025.71
0.1191	1030.16
0.1399	1034.69
0.1596	1038.09
0.1779	1040.14
0.1964	1041.52
0.2203	1042.98
0.2399	1044.35
0.2602	1045.7
0.2780	1046.0
0.2987	1046.27
0.3296	1046.23
0.3794	1045.76
0.4497	1044.33
0.4986	1043.54
0.5494	1041.35
0.5978	1039.92
0.6490	1037.65
0.6998	1035.76
0.7893	1032.74
0.8199	1031.82
0.8333	1031.01
0.8826	1030.54
0.8976	1029.93
0.9553	1028.92
1.0000	1028.23

Mass density, kg/m3 [ref]

Operational condition: Pressure, kPa = 101.15 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Mole fraction of 2-Pyrrolidinone, 1-methyl- (1) - Liquid	Mass density, kg/m3 - Liquid
298.15	0.0000	997.04
298.15	0.0501	1013.41
298.15	0.0701	1019.4
298.15	0.1001	1027.28
298.15	0.2004	1043.59
298.15	0.3004	1048.44
298.15	0.4012	1047.57
298.15	0.5030	1045.28
298.15	0.5937	1042.09
298.15	0.7023	1038.39
298.15	0.8066	1034.68
298.15	0.9006	1031.07
298.15	1.0000	1028.72
313.15	0.0000	992.21
313.15	0.0501	1005.83
313.15	0.0701	1010.71
313.15	0.1001	1017.13
313.15	0.2004	1030.49
313.15	0.3004	1034.34
313.15	0.4012	1033.33
313.15	0.5030	1031.16
313.15	0.5937	1028.2
313.15	0.7023	1024.65
313.15	0.8066	1021.04
313.15	0.9006	1017.59
313.15	1.0000	1015.19
323.15	0.0000	988.04
323.15	0.0501	1000.08
323.15	0.0701	1004.33
323.15	0.1001	1009.94
323.15	0.2004	1021.51
323.15	0.3004	1024.81
323.15	0.4012	1023.7
323.15	0.5030	1021.6
323.15	0.5937	1018.85
323.15	0.7023	1015.62
323.15	0.8066	1011.92
323.15	0.9006	1008.6
323.15	1.0000	1006.27
333.15	0.0000	983.12
333.15	0.0501	993.9
333.15	0.0701	997.51
333.15	0.1001	1002.36
333.15	0.2004	1012.34
333.15	0.3004	1015.11
333.15	0.4012	1013.94
333.15	0.5030	1011.96
333.15	0.5937	1009.35
333.15	0.7023	1006.23
333.15	0.8066	1002.76
333.15	0.9006	999.55
333.15	1.0000	997.41
343.15	0.0000	977.77
343.15	0.0501	987.04
343.15	0.0701	990.23
343.15	0.1001	994.46
343.15	0.2004	1002.99
343.15	0.3004	1005.26
343.15	0.4012	1004.05
343.15	0.5030	1002.21
343.15	0.5937	999.76
343.15	0.7023	996.83
343.15	0.8066	993.56
343.15	0.9006	990.5
343.15	1.0000	988.46

Mass density, kg/m3 [ref]

Operational condition: Pressure, kPa = 101.3 (Liquid)

Fixed		Measured
Mole fraction of Water (2) - Liquid	Temperature, K - Liquid	Mass density, kg/m3 - Liquid
0.0522	298.15	1029.546
0.0522	308.15	1020.488
0.0522	318.15	1011.194
0.0522	328.15	1002.193
0.0522	338.15	993.182
0.1684	298.15	1032.904
0.1684	308.15	1023.583
0.1684	318.15	1014.093
0.1684	328.15	1004.899
0.1684	338.15	995.706
0.2465	298.15	1035.151
0.2465	308.15	1025.099
0.2465	318.15	1016.084
0.2465	328.15	1006.766
0.2465	338.15	997.455
0.3481	298.15	1038.132
0.3481	308.15	1028.583
0.3481	318.15	1018.811
0.3481	328.15	1009.335
0.3481	338.15	999.87
0.4534	298.15	1041.649
0.4534	308.15	1032.02
0.4534	318.15	1022.076
0.4534	328.15	1012.42
0.4534	338.15	1002.781
0.5018	298.15	1043.411
0.5018	308.15	1033.736
0.5018	318.15	1023.715
0.5018	328.15	1013.975
0.5018	338.15	1004.254
0.5493	298.15	1045.114
0.5493	308.15	1035.394
0.5493	318.15	1025.31
0.5493	328.15	1015.499
0.5493	338.15	1005.705
0.6504	298.15	1047.711
0.6504	308.15	1037.975
0.6504	318.15	1027.896
0.6504	328.15	1018.049
0.6504	338.15	1008.203
0.7520	298.15	1046.062
0.7520	308.15	1036.733
0.7520	318.15	1027.117
0.7520	328.15	1017.631
0.7520	338.15	1008.086
0.8536	298.15	1035.211
0.8536	308.15	1027.316
0.8536	318.15	1019.085
0.8536	328.15	1010.769
0.8536	338.15	1002.251
0.8742	298.15	1031.435
0.8742	308.15	1024.016
0.8742	318.15	1016.222
0.8742	328.15	1008.282
0.8742	338.15	1000.096
0.8849	298.15	1029.241
0.8849	308.15	1022.098
0.8849	318.15	1014.555
0.8849	328.15	1006.831
0.8849	338.15	998.836
0.8996	298.15	1025.967
0.8996	308.15	1019.234
0.8996	318.15	1012.063
0.8996	328.15	1004.659
0.8996	338.15	996.948
0.9257	298.15	1019.428
0.9257	308.15	1013.517
0.9257	318.15	1007.083
0.9257	328.15	1000.316
0.9257	338.15	993.171
0.9368	298.15	1016.383
0.9368	308.15	1010.856
0.9368	318.15	1004.767
0.9368	328.15	998.296
0.9368	338.15	991.416
0.9557	298.15	1010.884
0.9557	308.15	1006.056
0.9557	318.15	1000.591
0.9557	328.15	994.66
0.9557	338.15	988.261
0.9641	298.15	1008.332
0.9641	308.15	1003.831
0.9641	318.15	998.66
0.9641	328.15	992.982
0.9641	338.15	986.808
0.9754	298.15	1004.822
0.9754	308.15	1000.775
0.9754	318.15	996.013
0.9754	328.15	990.687
0.9754	338.15	984.827
0.9900	298.15	1000.208
0.9900	308.15	996.769
0.9900	318.15	992.557
0.9900	328.15	987.705
0.9900	338.15	982.266

Mass density, kg/m3 [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Mole fraction of 2-Pyrrolidinone, 1-methyl- (1) - Liquid	Mass density, kg/m3 - Liquid
293.15	0.0000	998.26
293.15	0.1000	1030.11
293.15	0.2000	1047.15
293.15	0.3001	1052.4
293.15	0.3994	1051.69
293.15	0.4997	1048.9
293.15	0.6001	1045.08
293.15	0.6997	1041.48
293.15	0.7982	1038.44
293.15	0.8990	1035.42
293.15	1.0000	1032.87
303.15	0.0000	995.7
303.15	0.1000	1023.58
303.15	0.2000	1038.47
303.15	0.3001	1043.03
303.15	0.3994	1042.22
303.15	0.4997	1039.51
303.15	0.6001	1035.8
303.15	0.6997	1032.32
303.15	0.7982	1029.36
303.15	0.8990	1026.41
303.15	1.0000	1023.95
313.15	0.0000	992.26
313.15	0.1000	1016.67
313.15	0.2000	1029.62
313.15	0.3001	1033.55
313.15	0.3994	1032.64
313.15	0.4997	1030.02
313.15	0.6001	1026.44
313.15	0.6997	1023.08
313.15	0.7982	1020.23
313.15	0.8990	1017.37
313.15	1.0000	1015.03
323.15	0.0000	988.08
323.15	0.1000	1009.4
323.15	0.2000	1020.59
323.15	0.3001	1023.92
323.15	0.3994	1022.94
323.15	0.4997	1020.43
323.15	0.6001	1016.99
323.15	0.6997	1013.78
323.15	0.7982	1011.06
323.15	0.8990	1008.3
323.15	1.0000	1006.1

Mass density, kg/m3 [ref]

Operational conditions:

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

Mole fraction of 2-Pyrrolidinone, 1-methyl- (1) - Liquid	Mass density, kg/m3 - Liquid
0.0000	997.02
0.0253	1004.51
0.0601	1014.28
0.0803	1020.63
0.1008	1025.71
0.1191	1030.16
0.1399	1034.69
0.1596	1038.09
0.1779	1040.14
0.1964	1041.52
0.2203	1042.98
0.2399	1044.35
0.2602	1045.7
0.2780	1046.0
0.2987	1046.27
0.3296	1046.23
0.3794	1045.76
0.4497	1044.33
0.4986	1043.54
0.5494	1041.35
0.5978	1039.92
0.6490	1037.65
0.6998	1035.76
0.7893	1032.74
0.8199	1031.82
0.8333	1031.01
0.8826	1030.54
0.8976	1029.93
0.9553	1028.92
1.0000	1028.23

Mass density, kg/m3 [ref]

Operational condition: Pressure, kPa = 101.15 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Mole fraction of 2-Pyrrolidinone, 1-methyl- (1) - Liquid	Mass density, kg/m3 - Liquid
298.15	0.0000	997.04
298.15	0.0501	1013.41
298.15	0.0701	1019.4
298.15	0.1001	1027.28
298.15	0.2004	1043.59
298.15	0.3004	1048.44
298.15	0.4012	1047.57
298.15	0.5030	1045.28
298.15	0.5937	1042.09
298.15	0.7023	1038.39
298.15	0.8066	1034.68
298.15	0.9006	1031.07
298.15	1.0000	1028.72
313.15	0.0000	992.21
313.15	0.0501	1005.83
313.15	0.0701	1010.71
313.15	0.1001	1017.13
313.15	0.2004	1030.49
313.15	0.3004	1034.34
313.15	0.4012	1033.33
313.15	0.5030	1031.16
313.15	0.5937	1028.2
313.15	0.7023	1024.65
313.15	0.8066	1021.04
313.15	0.9006	1017.59
313.15	1.0000	1015.19
323.15	0.0000	988.04
323.15	0.0501	1000.08
323.15	0.0701	1004.33
323.15	0.1001	1009.94
323.15	0.2004	1021.51
323.15	0.3004	1024.81
323.15	0.4012	1023.7
323.15	0.5030	1021.6
323.15	0.5937	1018.85
323.15	0.7023	1015.62
323.15	0.8066	1011.92
323.15	0.9006	1008.6
323.15	1.0000	1006.27
333.15	0.0000	983.12
333.15	0.0501	993.9
333.15	0.0701	997.51
333.15	0.1001	1002.36
333.15	0.2004	1012.34
333.15	0.3004	1015.11
333.15	0.4012	1013.94
333.15	0.5030	1011.96
333.15	0.5937	1009.35
333.15	0.7023	1006.23
333.15	0.8066	1002.76
333.15	0.9006	999.55
333.15	1.0000	997.41
343.15	0.0000	977.77
343.15	0.0501	987.04
343.15	0.0701	990.23
343.15	0.1001	994.46
343.15	0.2004	1002.99
343.15	0.3004	1005.26
343.15	0.4012	1004.05
343.15	0.5030	1002.21
343.15	0.5937	999.76
343.15	0.7023	996.83
343.15	0.8066	993.56
343.15	0.9006	990.5
343.15	1.0000	988.46

Mass density, kg/m3 [ref]

Operational condition: Pressure, kPa = 101.3 (Liquid)

Fixed		Measured
Mole fraction of Water (2) - Liquid	Temperature, K - Liquid	Mass density, kg/m3 - Liquid
0.0522	298.15	1029.546
0.0522	308.15	1020.488
0.0522	318.15	1011.194
0.0522	328.15	1002.193
0.0522	338.15	993.182
0.1684	298.15	1032.904
0.1684	308.15	1023.583
0.1684	318.15	1014.093
0.1684	328.15	1004.899
0.1684	338.15	995.706
0.2465	298.15	1035.151
0.2465	308.15	1025.099
0.2465	318.15	1016.084
0.2465	328.15	1006.766
0.2465	338.15	997.455
0.3481	298.15	1038.132
0.3481	308.15	1028.583
0.3481	318.15	1018.811
0.3481	328.15	1009.335
0.3481	338.15	999.87
0.4534	298.15	1041.649
0.4534	308.15	1032.02
0.4534	318.15	1022.076
0.4534	328.15	1012.42
0.4534	338.15	1002.781
0.5018	298.15	1043.411
0.5018	308.15	1033.736
0.5018	318.15	1023.715
0.5018	328.15	1013.975
0.5018	338.15	1004.254
0.5493	298.15	1045.114
0.5493	308.15	1035.394
0.5493	318.15	1025.31
0.5493	328.15	1015.499
0.5493	338.15	1005.705
0.6504	298.15	1047.711
0.6504	308.15	1037.975
0.6504	318.15	1027.896
0.6504	328.15	1018.049
0.6504	338.15	1008.203
0.7520	298.15	1046.062
0.7520	308.15	1036.733
0.7520	318.15	1027.117
0.7520	328.15	1017.631
0.7520	338.15	1008.086
0.8536	298.15	1035.211
0.8536	308.15	1027.316
0.8536	318.15	1019.085
0.8536	328.15	1010.769
0.8536	338.15	1002.251
0.8742	298.15	1031.435
0.8742	308.15	1024.016
0.8742	318.15	1016.222
0.8742	328.15	1008.282
0.8742	338.15	1000.096
0.8849	298.15	1029.241
0.8849	308.15	1022.098
0.8849	318.15	1014.555
0.8849	328.15	1006.831
0.8849	338.15	998.836
0.8996	298.15	1025.967
0.8996	308.15	1019.234
0.8996	318.15	1012.063
0.8996	328.15	1004.659
0.8996	338.15	996.948
0.9257	298.15	1019.428
0.9257	308.15	1013.517
0.9257	318.15	1007.083
0.9257	328.15	1000.316
0.9257	338.15	993.171
0.9368	298.15	1016.383
0.9368	308.15	1010.856
0.9368	318.15	1004.767
0.9368	328.15	998.296
0.9368	338.15	991.416
0.9557	298.15	1010.884
0.9557	308.15	1006.056
0.9557	318.15	1000.591
0.9557	328.15	994.66
0.9557	338.15	988.261
0.9641	298.15	1008.332
0.9641	308.15	1003.831
0.9641	318.15	998.66
0.9641	328.15	992.982
0.9641	338.15	986.808
0.9754	298.15	1004.822
0.9754	308.15	1000.775
0.9754	318.15	996.013
0.9754	328.15	990.687
0.9754	338.15	984.827
0.9900	298.15	1000.208
0.9900	308.15	996.769
0.9900	318.15	992.557
0.9900	328.15	987.705
0.9900	338.15	982.266

Mass density, kg/m3 [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Mole fraction of 2-Pyrrolidinone, 1-methyl- (1) - Liquid	Mass density, kg/m3 - Liquid
293.15	0.0000	998.26
293.15	0.1000	1030.11
293.15	0.2000	1047.15
293.15	0.3001	1052.4
293.15	0.3994	1051.69
293.15	0.4997	1048.9
293.15	0.6001	1045.08
293.15	0.6997	1041.48
293.15	0.7982	1038.44
293.15	0.8990	1035.42
293.15	1.0000	1032.87
303.15	0.0000	995.7
303.15	0.1000	1023.58
303.15	0.2000	1038.47
303.15	0.3001	1043.03
303.15	0.3994	1042.22
303.15	0.4997	1039.51
303.15	0.6001	1035.8
303.15	0.6997	1032.32
303.15	0.7982	1029.36
303.15	0.8990	1026.41
303.15	1.0000	1023.95
313.15	0.0000	992.26
313.15	0.1000	1016.67
313.15	0.2000	1029.62
313.15	0.3001	1033.55
313.15	0.3994	1032.64
313.15	0.4997	1030.02
313.15	0.6001	1026.44
313.15	0.6997	1023.08
313.15	0.7982	1020.23
313.15	0.8990	1017.37
313.15	1.0000	1015.03
323.15	0.0000	988.08
323.15	0.1000	1009.4
323.15	0.2000	1020.59
323.15	0.3001	1023.92
323.15	0.3994	1022.94
323.15	0.4997	1020.43
323.15	0.6001	1016.99
323.15	0.6997	1013.78
323.15	0.7982	1011.06
323.15	0.8990	1008.3
323.15	1.0000	1006.1

Speed of sound, m/s [ref]

Operational conditions:

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

Mole fraction of 2-Pyrrolidinone, 1-methyl- (1) - Liquid	Speed of sound, m/s - Liquid
0.0000	1497.03
0.0253	1573.56
0.0601	1646.77
0.0803	1684.39
0.1008	1724.66
0.1191	1731.16
0.1399	1745.21
0.1596	1747.65
0.1779	1749.21
0.1964	1751.66
0.2203	1750.72
0.2399	1750.14
0.2602	1745.27
0.2780	1741.84
0.2987	1735.38
0.3296	1725.58
0.3794	1707.82
0.4497	1687.12
0.4986	1669.95
0.5494	1651.15
0.5978	1633.64
0.6490	1621.03
0.6998	1610.25
0.7893	1587.68
0.8199	1574.4
0.8333	1568.32
0.8826	1563.85
0.8976	1558.43
0.9553	1552.2
1.0000	1531.45

Speed of sound, m/s [ref]

Operational condition: Pressure, kPa = 101.3 (Liquid)

Fixed		Measured
Mole fraction of Water (2) - Liquid	Temperature, K - Liquid	Speed of sound, m/s - Liquid
0.0522	298.15	1548.8
0.0522	308.15	1521.3
0.0522	318.15	1480.9
0.0522	328.15	1451.9
0.0522	338.15	1410.7
0.1684	298.15	1561.0
0.1684	308.15	1533.3
0.1684	318.15	1493.0
0.1684	328.15	1463.8
0.1684	338.15	1422.8
0.2465	298.15	1579.5
0.2465	308.15	1549.9
0.2465	318.15	1508.9
0.2465	328.15	1478.8
0.2465	338.15	1437.4
0.3481	298.15	1616.8
0.3481	308.15	1578.3
0.3481	318.15	1535.9
0.3481	328.15	1504.2
0.3481	338.15	1461.9
0.4534	298.15	1653.8
0.4534	308.15	1610.1
0.4534	318.15	1566.5
0.4534	328.15	1533.2
0.4534	338.15	1490.2
0.5018	298.15	1667.7
0.5018	308.15	1624.8
0.5018	318.15	1580.9
0.5018	328.15	1547.1
0.5018	338.15	1504.0
0.5493	298.15	1682.0
0.5493	308.15	1639.5
0.5493	318.15	1595.4
0.5493	328.15	1561.1
0.5493	338.15	1518.0
0.6504	298.15	1711.3
0.6504	308.15	1672.0
0.6504	318.15	1628.2
0.6504	328.15	1593.5
0.6504	338.15	1551.0
0.7520	298.15	1738.2
0.7520	308.15	1702.6
0.7520	318.15	1661.2
0.7520	328.15	1627.4
0.7520	338.15	1587.1
0.8536	298.15	1748.1
0.8536	308.15	1707.3
0.8536	318.15	1674.5
0.8536	328.15	1646.4
0.8536	338.15	1613.3
0.8742	298.15	1738.4
0.8742	308.15	1700.3
0.8742	318.15	1670.7
0.8742	328.15	1645.0
0.8742	338.15	1614.4
0.8849	298.15	1730.9
0.8849	308.15	1694.9
0.8849	318.15	1667.3
0.8849	328.15	1643.2
0.8849	338.15	1614.4
0.8996	298.15	1716.8
0.8996	308.15	1685.4
0.8996	318.15	1660.9
0.8996	328.15	1639.2
0.8996	338.15	1613.0
0.9257	298.15	1681.1
0.9257	308.15	1661.1
0.9257	318.15	1643.6
0.9257	328.15	1627.2
0.9257	338.15	1602.6
0.9368	298.15	1661.0
0.9368	308.15	1647.4
0.9368	318.15	1633.5
0.9368	328.15	1619.9
0.9368	338.15	1602.1
0.9557	298.15	1621.2
0.9557	308.15	1618.8
0.9557	318.15	1611.9
0.9557	328.15	1603.9
0.9557	338.15	1591.8
0.9641	298.15	1600.8
0.9641	308.15	1603.6
0.9641	318.15	1600.4
0.9641	328.15	1595.2
0.9641	338.15	1585.9
0.9754	298.15	1571.3
0.9754	308.15	1580.6
0.9754	318.15	1582.7
0.9754	328.15	1581.7
0.9754	338.15	1576.7
0.9900	298.15	1529.1
0.9900	308.15	1546.1
0.9900	318.15	1556.1
0.9900	328.15	1561.2
0.9900	338.15	1562.4

Speed of sound, m/s [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Mole fraction of 2-Pyrrolidinone, 1-methyl- (1) - Liquid	Speed of sound, m/s - Liquid
293.15	0.0000	1482.7
293.15	0.1000	1713.9
293.15	0.2000	1766.5
293.15	0.3001	1751.6
293.15	0.3994	1718.4
293.15	0.4997	1683.7
293.15	0.6001	1651.6
293.15	0.6997	1623.8
293.15	0.7982	1601.2
293.15	0.8990	1581.0
293.15	1.0000	1565.3
303.15	0.0000	1509.4
303.15	0.1000	1694.6
303.15	0.2000	1732.0
303.15	0.3001	1713.0
303.15	0.3994	1679.1
303.15	0.4997	1644.5
303.15	0.6001	1612.7
303.15	0.6997	1585.3
303.15	0.7982	1562.6
303.15	0.8990	1542.6
303.15	1.0000	1526.5
313.15	0.0000	1529.1
313.15	0.1000	1674.0
313.15	0.2000	1697.0
313.15	0.3001	1674.3
313.15	0.3994	1639.3
313.15	0.4997	1604.6
313.15	0.6001	1573.2
313.15	0.6997	1546.8
313.15	0.7982	1523.9
313.15	0.8990	1504.1
313.15	1.0000	1487.8
323.15	0.0000	1541.7
323.15	0.1000	1651.4
323.15	0.2000	1661.6
323.15	0.3001	1634.9
323.15	0.3994	1599.4
323.15	0.4997	1565.5
323.15	0.6001	1534.1
323.15	0.6997	1507.6
323.15	0.7982	1485.4
323.15	0.8990	1466.0
323.15	1.0000	1450.2

Speed of sound, m/s [ref]

Operational conditions:

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

Mole fraction of 2-Pyrrolidinone, 1-methyl- (1) - Liquid	Speed of sound, m/s - Liquid
0.0000	1497.03
0.0253	1573.56
0.0601	1646.77
0.0803	1684.39
0.1008	1724.66
0.1191	1731.16
0.1399	1745.21
0.1596	1747.65
0.1779	1749.21
0.1964	1751.66
0.2203	1750.72
0.2399	1750.14
0.2602	1745.27
0.2780	1741.84
0.2987	1735.38
0.3296	1725.58
0.3794	1707.82
0.4497	1687.12
0.4986	1669.95
0.5494	1651.15
0.5978	1633.64
0.6490	1621.03
0.6998	1610.25
0.7893	1587.68
0.8199	1574.4
0.8333	1568.32
0.8826	1563.85
0.8976	1558.43
0.9553	1552.2
1.0000	1531.45

Speed of sound, m/s [ref]

Operational condition: Pressure, kPa = 101.3 (Liquid)

Fixed		Measured
Mole fraction of Water (2) - Liquid	Temperature, K - Liquid	Speed of sound, m/s - Liquid
0.0522	298.15	1548.8
0.0522	308.15	1521.3
0.0522	318.15	1480.9
0.0522	328.15	1451.9
0.0522	338.15	1410.7
0.1684	298.15	1561.0
0.1684	308.15	1533.3
0.1684	318.15	1493.0
0.1684	328.15	1463.8
0.1684	338.15	1422.8
0.2465	298.15	1579.5
0.2465	308.15	1549.9
0.2465	318.15	1508.9
0.2465	328.15	1478.8
0.2465	338.15	1437.4
0.3481	298.15	1616.8
0.3481	308.15	1578.3
0.3481	318.15	1535.9
0.3481	328.15	1504.2
0.3481	338.15	1461.9
0.4534	298.15	1653.8
0.4534	308.15	1610.1
0.4534	318.15	1566.5
0.4534	328.15	1533.2
0.4534	338.15	1490.2
0.5018	298.15	1667.7
0.5018	308.15	1624.8
0.5018	318.15	1580.9
0.5018	328.15	1547.1
0.5018	338.15	1504.0
0.5493	298.15	1682.0
0.5493	308.15	1639.5
0.5493	318.15	1595.4
0.5493	328.15	1561.1
0.5493	338.15	1518.0
0.6504	298.15	1711.3
0.6504	308.15	1672.0
0.6504	318.15	1628.2
0.6504	328.15	1593.5
0.6504	338.15	1551.0
0.7520	298.15	1738.2
0.7520	308.15	1702.6
0.7520	318.15	1661.2
0.7520	328.15	1627.4
0.7520	338.15	1587.1
0.8536	298.15	1748.1
0.8536	308.15	1707.3
0.8536	318.15	1674.5
0.8536	328.15	1646.4
0.8536	338.15	1613.3
0.8742	298.15	1738.4
0.8742	308.15	1700.3
0.8742	318.15	1670.7
0.8742	328.15	1645.0
0.8742	338.15	1614.4
0.8849	298.15	1730.9
0.8849	308.15	1694.9
0.8849	318.15	1667.3
0.8849	328.15	1643.2
0.8849	338.15	1614.4
0.8996	298.15	1716.8
0.8996	308.15	1685.4
0.8996	318.15	1660.9
0.8996	328.15	1639.2
0.8996	338.15	1613.0
0.9257	298.15	1681.1
0.9257	308.15	1661.1
0.9257	318.15	1643.6
0.9257	328.15	1627.2
0.9257	338.15	1602.6
0.9368	298.15	1661.0
0.9368	308.15	1647.4
0.9368	318.15	1633.5
0.9368	328.15	1619.9
0.9368	338.15	1602.1
0.9557	298.15	1621.2
0.9557	308.15	1618.8
0.9557	318.15	1611.9
0.9557	328.15	1603.9
0.9557	338.15	1591.8
0.9641	298.15	1600.8
0.9641	308.15	1603.6
0.9641	318.15	1600.4
0.9641	328.15	1595.2
0.9641	338.15	1585.9
0.9754	298.15	1571.3
0.9754	308.15	1580.6
0.9754	318.15	1582.7
0.9754	328.15	1581.7
0.9754	338.15	1576.7
0.9900	298.15	1529.1
0.9900	308.15	1546.1
0.9900	318.15	1556.1
0.9900	328.15	1561.2
0.9900	338.15	1562.4

Speed of sound, m/s [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Mole fraction of 2-Pyrrolidinone, 1-methyl- (1) - Liquid	Speed of sound, m/s - Liquid
293.15	0.0000	1482.7
293.15	0.1000	1713.9
293.15	0.2000	1766.5
293.15	0.3001	1751.6
293.15	0.3994	1718.4
293.15	0.4997	1683.7
293.15	0.6001	1651.6
293.15	0.6997	1623.8
293.15	0.7982	1601.2
293.15	0.8990	1581.0
293.15	1.0000	1565.3
303.15	0.0000	1509.4
303.15	0.1000	1694.6
303.15	0.2000	1732.0
303.15	0.3001	1713.0
303.15	0.3994	1679.1
303.15	0.4997	1644.5
303.15	0.6001	1612.7
303.15	0.6997	1585.3
303.15	0.7982	1562.6
303.15	0.8990	1542.6
303.15	1.0000	1526.5
313.15	0.0000	1529.1
313.15	0.1000	1674.0
313.15	0.2000	1697.0
313.15	0.3001	1674.3
313.15	0.3994	1639.3
313.15	0.4997	1604.6
313.15	0.6001	1573.2
313.15	0.6997	1546.8
313.15	0.7982	1523.9
313.15	0.8990	1504.1
313.15	1.0000	1487.8
323.15	0.0000	1541.7
323.15	0.1000	1651.4
323.15	0.2000	1661.6
323.15	0.3001	1634.9
323.15	0.3994	1599.4
323.15	0.4997	1565.5
323.15	0.6001	1534.1
323.15	0.6997	1507.6
323.15	0.7982	1485.4
323.15	0.8990	1466.0
323.15	1.0000	1450.2

Surface tension liquid-gas, N/m [ref]

Fixed		Measured
Temperature, K - Liquid	Mole fraction of 2-Pyrrolidinone, 1-methyl- (1) - Liquid	Surface tension liquid-gas, N/m - Liquid
293.15	0.0000	0.0727
293.15	0.0002	0.0640
293.15	0.0004	0.0581
293.15	0.0006	0.0552
293.15	0.0010	0.0535
293.15	0.0050	0.0524
293.15	0.0100	0.0516
293.15	0.0300	0.0502
293.15	0.1000	0.0490
293.15	0.2000	0.0481
293.15	0.4000	0.0461
293.15	0.5000	0.0453
293.15	0.6000	0.0445
293.15	0.7000	0.0437
293.15	0.8000	0.0428
293.15	0.9000	0.0420
293.15	1.0000	0.0413
298.15	0.0000	0.0721
298.15	0.0002	0.0615
298.15	0.0004	0.0566
298.15	0.0006	0.0542
298.15	0.0010	0.0529
298.15	0.0050	0.0517
298.15	0.0100	0.0508
298.15	0.0300	0.0494
298.15	0.1000	0.0483
298.15	0.2000	0.0475
298.15	0.4000	0.0454
298.15	0.5000	0.0446
298.15	0.6000	0.0438
298.15	0.7000	0.0430
298.15	0.8000	0.0421
298.15	0.9000	0.0413
298.15	1.0000	0.0408
303.15	0.0000	0.0712
303.15	0.0002	0.0592
303.15	0.0004	0.0557
303.15	0.0006	0.0534
303.15	0.0010	0.0522
303.15	0.0050	0.0509
303.15	0.0100	0.0500
303.15	0.0300	0.0485
303.15	0.1000	0.0475
303.15	0.2000	0.0466
303.15	0.4000	0.0449
303.15	0.5000	0.0440
303.15	0.6000	0.0431
303.15	0.7000	0.0424
303.15	0.8000	0.0417
303.15	0.9000	0.0409
303.15	1.0000	0.0404
313.15	0.0000	0.0695
313.15	0.0002	0.0570
313.15	0.0004	0.0538
313.15	0.0006	0.0520
313.15	0.0010	0.0510
313.15	0.0050	0.0497
313.15	0.0100	0.0489
313.15	0.0300	0.0472
313.15	0.1000	0.0463
313.15	0.2000	0.0455
313.15	0.4000	0.0440
313.15	0.5000	0.0431
313.15	0.6000	0.0423
313.15	0.7000	0.0415
313.15	0.8000	0.0408
313.15	0.9000	0.0401
313.15	1.0000	0.0396
323.15	0.0000	0.0679
323.15	0.0002	0.0550
323.15	0.0004	0.0524
323.15	0.0006	0.0509
323.15	0.0010	0.0501
323.15	0.0050	0.0488
323.15	0.0100	0.0481
323.15	0.0300	0.0456
323.15	0.1000	0.0446
323.15	0.2000	0.0437
323.15	0.4000	0.0424
323.15	0.5000	0.0418
323.15	0.6000	0.0412
323.15	0.7000	0.0405
323.15	0.8000	0.0397
323.15	0.9000	0.0393
323.15	1.0000	0.0387

Surface tension liquid-gas, N/m [ref]

Fixed		Measured
Temperature, K - Liquid	Mole fraction of 2-Pyrrolidinone, 1-methyl- (1) - Liquid	Surface tension liquid-gas, N/m - Liquid
293.15	0.0000	0.0727
293.15	0.0002	0.0640
293.15	0.0004	0.0581
293.15	0.0006	0.0552
293.15	0.0010	0.0535
293.15	0.0050	0.0524
293.15	0.0100	0.0516
293.15	0.0300	0.0502
293.15	0.1000	0.0490
293.15	0.2000	0.0481
293.15	0.4000	0.0461
293.15	0.5000	0.0453
293.15	0.6000	0.0445
293.15	0.7000	0.0437
293.15	0.8000	0.0428
293.15	0.9000	0.0420
293.15	1.0000	0.0413
298.15	0.0000	0.0721
298.15	0.0002	0.0615
298.15	0.0004	0.0566
298.15	0.0006	0.0542
298.15	0.0010	0.0529
298.15	0.0050	0.0517
298.15	0.0100	0.0508
298.15	0.0300	0.0494
298.15	0.1000	0.0483
298.15	0.2000	0.0475
298.15	0.4000	0.0454
298.15	0.5000	0.0446
298.15	0.6000	0.0438
298.15	0.7000	0.0430
298.15	0.8000	0.0421
298.15	0.9000	0.0413
298.15	1.0000	0.0408
303.15	0.0000	0.0712
303.15	0.0002	0.0592
303.15	0.0004	0.0557
303.15	0.0006	0.0534
303.15	0.0010	0.0522
303.15	0.0050	0.0509
303.15	0.0100	0.0500
303.15	0.0300	0.0485
303.15	0.1000	0.0475
303.15	0.2000	0.0466
303.15	0.4000	0.0449
303.15	0.5000	0.0440
303.15	0.6000	0.0431
303.15	0.7000	0.0424
303.15	0.8000	0.0417
303.15	0.9000	0.0409
303.15	1.0000	0.0404
313.15	0.0000	0.0695
313.15	0.0002	0.0570
313.15	0.0004	0.0538
313.15	0.0006	0.0520
313.15	0.0010	0.0510
313.15	0.0050	0.0497
313.15	0.0100	0.0489
313.15	0.0300	0.0472
313.15	0.1000	0.0463
313.15	0.2000	0.0455
313.15	0.4000	0.0440
313.15	0.5000	0.0431
313.15	0.6000	0.0423
313.15	0.7000	0.0415
313.15	0.8000	0.0408
313.15	0.9000	0.0401
313.15	1.0000	0.0396
323.15	0.0000	0.0679
323.15	0.0002	0.0550
323.15	0.0004	0.0524
323.15	0.0006	0.0509
323.15	0.0010	0.0501
323.15	0.0050	0.0488
323.15	0.0100	0.0481
323.15	0.0300	0.0456
323.15	0.1000	0.0446
323.15	0.2000	0.0437
323.15	0.4000	0.0424
323.15	0.5000	0.0418
323.15	0.6000	0.0412
323.15	0.7000	0.0405
323.15	0.8000	0.0397
323.15	0.9000	0.0393
323.15	1.0000	0.0387

Vapor Liquid Equilibrium at Constant Pressure [ref]

Operational condition: Pressure, kPa = 101.33 (VLE)

Fixed	Measured
T [K] - VLE	x1[mol/mol] of Water (2) - Liquid	y1[mol/mol] of Water (2) - Vapour
433.15	0.0940	0.7300
421.25	0.1530	0.8200
413.15	0.2060	0.8740
404.95	0.2910	0.9140
394.15	0.4250	0.9500
390.75	0.4800	0.9580
383.95	0.6290	0.9770
379.45	0.7530	0.9870
377.15	0.8350	0.9920
376.65	0.8440	0.9930
374.95	0.9090	0.9960

Vapor Liquid Equilibrium at Constant Pressure [ref]

Operational condition: Pressure, kPa = 101.33 (VLE)

x1[mol/mol] of Water (2) - Liquid	y1[mol/mol] of Water (2) - Vapour
0.0147	0.0715
0.0250	0.2360
0.0425	0.4530
0.0577	0.4770
0.1140	0.7880
0.1230	0.8700
0.1650	0.9450
0.4400	0.9780
0.6500	0.9800
0.7980	0.9900
0.9050	0.9900
0.9370	0.9920
0.9750	0.9950

Vapor Liquid Equilibrium at Constant Pressure [ref]

Operational condition: Pressure, kPa = 53.33 (VLE)

Fixed	Measured
T [K] - VLE	x1[mol/mol] of Water (2) - Liquid	y1[mol/mol] of Water (2) - Vapour
414.45	0.0810	0.7270
393.15	0.1920	0.8780
383.95	0.2840	0.9200
378.15	0.3570	0.9420
371.25	0.4820	0.9660
368.15	0.5530	0.9720
363.55	0.6800	0.9840
359.95	0.8080	0.9920
357.65	0.8970	0.9960

Sources

• Dortmund Data Bank Vapor-Liquid Equilibrium Data
• Temperature dependences of limiting activity coefficients and Henry s law constants for N-methylpyrrolidone, pyridine, and piperidine in water
• Salting-out effect of sodium, potassium, carbonate, sulfite, tartrate and thiosulfate ions on aqueous mixtures of acetonitrile or 1-methyl-2-pyrrolidone: A liquid-liquid equilibrium study
• Isentropic compressibilities of (amide + water) mixtures: A comparative study
• Volumetric Properties and Viscosities for Aqueous N-Methyl-2-pyrrolidone Solutions from 25 deg C to 70 deg C
• Densities, Viscosities, Speeds of Sound, and Relative Permittivities for Water + Cyclic Amides (2-Pyrrolidinone, 1-Methyl-2-pyrrolidinone, and 1-Vinyl-2-pyrrolidinone) at Different Temperatures
• Density, Speed of Sound, Viscosity, Refractive Index, and Excess Volume of N-Methyl-2-pyrrolidone + Ethanol (or Water or Ethanolamine) from T = (293.15 to 323.15) K
• Vapor Liquid Equilibrium Data for 1-Methyl-2-Pyrrolidone + (1-Butanol or 1-Hexene or Water) Binary Mixtures
• Surface Tension of Aqueous Solutions of Short N-Alkyl-2-pyrrolidinones
• Molar Heat Capacity of Aqueous Sulfolane, 4-Formylmorpholine, 1-Methyl-2-pyrrolidinone, and Triethylene Glycol Dimethyl Ether Solutions from (303.15 to 353.15) K