Mixture of Propane + Difluoromethane

Datasets

1. Azeotropic composition: mole fraction (6)
2. P_c - Critical pressure, kPa (2)
3. P_vap - Vapor or sublimation pressure, kPa (8)
4. γ - Surface tension liquid-gas, N/m (2)
5. T_c - Critical temperature, K (2)
6. Azeotropic pressure, kPa (6)

Azeotropic composition: mole fraction of Difluoromethane (2) [ref]

Temperature, K - Liquid	Azeotropic composition: mole fraction of Difluoromethane (2) - Liquid
278.10	0.6630
294.83	0.6790
303.23	0.6830
313.26	0.7020

Mole fraction of Difluoromethane (2) [ref]

Fixed		Measured
Mole fraction of Difluoromethane (2) - Liquid	Temperature, K - Liquid	Mole fraction of Difluoromethane (2) - Gas
0.0000	278.10	0.0000
0.0000	294.83	0.0000
0.0000	343.26	0.0000
0.0080	294.83	0.0490
0.0170	313.26	0.0750
0.0270	303.23	0.1260
0.0340	313.26	0.1330
0.0430	278.10	0.2360
0.0460	294.83	0.2060
0.0640	294.83	0.2610
0.0650	343.26	0.1460
0.0730	303.23	0.2580
0.1130	343.26	0.2260
0.1230	294.83	0.3700
0.1240	278.10	0.4190
0.1650	303.23	0.4040
0.1880	343.26	0.3100
0.1980	313.26	0.4120
0.2370	343.26	0.3450
0.2620	278.10	0.5260
0.2640	294.83	0.5080
0.2720	313.26	0.4750
0.2820	343.26	0.3750
0.2870	303.23	0.5030
0.3450	343.26	0.4200
0.3670	313.26	0.5300
0.4240	278.10	0.5960
0.4320	343.26	0.4720
0.4390	294.83	0.5840
0.4560	303.23	0.5900
0.4570	343.26	0.4800
0.4680	313.26	0.5830
0.4740	278.10	0.6100
0.5160	278.10	0.6220
0.5350	303.23	0.6150
0.5630	278.10	0.6340
0.5640	303.23	0.6300
0.5820	313.26	0.6390
0.5830	278.10	0.6390
0.5990	294.83	0.6450
0.6050	313.26	0.6490
0.6080	278.10	0.6460
0.6180	294.83	0.6500
0.6220	313.26	0.6580
0.6280	278.10	0.6510
0.6460	303.23	0.6650
0.6730	278.10	0.6640
0.6800	278.10	0.6660
0.6940	294.83	0.6840
0.6940	303.23	0.6890
0.7050	303.23	0.6950
0.7100	313.26	0.7050
0.7310	294.83	0.6990
0.7560	278.10	0.6930
0.7590	294.83	0.7130
0.7910	278.10	0.7110
0.7940	303.23	0.7470
0.7990	313.26	0.7610
0.8020	294.83	0.7460
0.8440	313.26	0.7970
0.8580	343.26	0.8490
0.8760	343.26	0.8660
0.8900	303.23	0.8240
0.9090	278.10	0.8050
0.9110	343.26	0.9010
0.9240	343.26	0.9150
0.9390	343.26	0.9300
0.9410	294.83	0.8770
0.9470	313.26	0.9010
0.9530	303.23	0.9160
0.9570	294.83	0.9030
0.9720	343.26	0.9650
0.9750	278.10	0.9210
0.9920	343.26	0.9890
1.0000	278.10	1.0000
1.0000	294.83	1.0000
1.0000	303.23	1.0000
1.0000	313.26	1.0000
1.0000	343.26	1.0000

Mole fraction of Difluoromethane (2) [ref]

Fixed		Measured
Mole fraction of Difluoromethane (2) - Liquid	Temperature, K - Liquid	Mole fraction of Difluoromethane (2) - Gas
0.0000	268.15	0.0000
0.0000	278.15	0.0000
0.0000	283.15	0.0000
0.0000	288.15	0.0000
0.0000	298.15	0.0000
0.0000	308.15	0.0000
0.0000	318.15	0.0000
0.1300	278.15	0.4380
0.1350	288.15	0.4200
0.1420	283.15	0.4370
0.1430	268.15	0.4980
0.1580	308.15	0.3970
0.1580	318.15	0.3730
0.1680	298.15	0.4360
0.3270	308.15	0.5380
0.3410	278.15	0.5840
0.3440	318.15	0.5300
0.3560	288.15	0.5760
0.3740	283.15	0.5870
0.3800	298.15	0.5800
0.4220	268.15	0.6340
0.5890	278.15	0.6570
0.5900	268.15	0.6600
0.6180	298.15	0.6670
0.6270	318.15	0.6770
0.6600	308.15	0.6910
0.6640	288.15	0.6780
0.6680	283.15	0.6770
0.7240	288.15	0.6980
0.7260	278.15	0.7030
0.7320	308.15	0.7240
0.7370	268.15	0.6890
0.7400	318.15	0.7390
0.7490	298.15	0.7380
0.7530	283.15	0.7040
0.8670	268.15	0.7470
0.8950	298.15	0.8200
0.8950	318.15	0.8580
0.8980	278.15	0.7880
0.8980	288.15	0.8110
0.9140	283.15	0.8210
0.9200	308.15	0.8670
1.0000	268.15	1.0000
1.0000	278.15	1.0000
1.0000	283.15	1.0000
1.0000	288.15	1.0000
1.0000	298.15	1.0000
1.0000	308.15	1.0000
1.0000	318.15	1.0000

Azeotropic composition: mole fraction of Difluoromethane (2) [ref]

Temperature, K - Liquid	Azeotropic composition: mole fraction of Difluoromethane (2) - Liquid
278.10	0.6630
294.83	0.6790
303.23	0.6830
313.26	0.7020

Mole fraction of Difluoromethane (2) [ref]

Fixed		Measured
Mole fraction of Difluoromethane (2) - Liquid	Temperature, K - Liquid	Mole fraction of Difluoromethane (2) - Gas
0.0000	278.10	0.0000
0.0000	294.83	0.0000
0.0000	343.26	0.0000
0.0080	294.83	0.0490
0.0170	313.26	0.0750
0.0270	303.23	0.1260
0.0340	313.26	0.1330
0.0430	278.10	0.2360
0.0460	294.83	0.2060
0.0640	294.83	0.2610
0.0650	343.26	0.1460
0.0730	303.23	0.2580
0.1130	343.26	0.2260
0.1230	294.83	0.3700
0.1240	278.10	0.4190
0.1650	303.23	0.4040
0.1880	343.26	0.3100
0.1980	313.26	0.4120
0.2370	343.26	0.3450
0.2620	278.10	0.5260
0.2640	294.83	0.5080
0.2720	313.26	0.4750
0.2820	343.26	0.3750
0.2870	303.23	0.5030
0.3450	343.26	0.4200
0.3670	313.26	0.5300
0.4240	278.10	0.5960
0.4320	343.26	0.4720
0.4390	294.83	0.5840
0.4560	303.23	0.5900
0.4570	343.26	0.4800
0.4680	313.26	0.5830
0.4740	278.10	0.6100
0.5160	278.10	0.6220
0.5350	303.23	0.6150
0.5630	278.10	0.6340
0.5640	303.23	0.6300
0.5820	313.26	0.6390
0.5830	278.10	0.6390
0.5990	294.83	0.6450
0.6050	313.26	0.6490
0.6080	278.10	0.6460
0.6180	294.83	0.6500
0.6220	313.26	0.6580
0.6280	278.10	0.6510
0.6460	303.23	0.6650
0.6730	278.10	0.6640
0.6800	278.10	0.6660
0.6940	294.83	0.6840
0.6940	303.23	0.6890
0.7050	303.23	0.6950
0.7100	313.26	0.7050
0.7310	294.83	0.6990
0.7560	278.10	0.6930
0.7590	294.83	0.7130
0.7910	278.10	0.7110
0.7940	303.23	0.7470
0.7990	313.26	0.7610
0.8020	294.83	0.7460
0.8440	313.26	0.7970
0.8580	343.26	0.8490
0.8760	343.26	0.8660
0.8900	303.23	0.8240
0.9090	278.10	0.8050
0.9110	343.26	0.9010
0.9240	343.26	0.9150
0.9390	343.26	0.9300
0.9410	294.83	0.8770
0.9470	313.26	0.9010
0.9530	303.23	0.9160
0.9570	294.83	0.9030
0.9720	343.26	0.9650
0.9750	278.10	0.9210
0.9920	343.26	0.9890
1.0000	278.10	1.0000
1.0000	294.83	1.0000
1.0000	303.23	1.0000
1.0000	313.26	1.0000
1.0000	343.26	1.0000

Mole fraction of Difluoromethane (2) [ref]

Fixed		Measured
Mole fraction of Difluoromethane (2) - Liquid	Temperature, K - Liquid	Mole fraction of Difluoromethane (2) - Gas
0.0000	268.15	0.0000
0.0000	278.15	0.0000
0.0000	283.15	0.0000
0.0000	288.15	0.0000
0.0000	298.15	0.0000
0.0000	308.15	0.0000
0.0000	318.15	0.0000
0.1300	278.15	0.4380
0.1350	288.15	0.4200
0.1420	283.15	0.4370
0.1430	268.15	0.4980
0.1580	308.15	0.3970
0.1580	318.15	0.3730
0.1680	298.15	0.4360
0.3270	308.15	0.5380
0.3410	278.15	0.5840
0.3440	318.15	0.5300
0.3560	288.15	0.5760
0.3740	283.15	0.5870
0.3800	298.15	0.5800
0.4220	268.15	0.6340
0.5890	278.15	0.6570
0.5900	268.15	0.6600
0.6180	298.15	0.6670
0.6270	318.15	0.6770
0.6600	308.15	0.6910
0.6640	288.15	0.6780
0.6680	283.15	0.6770
0.7240	288.15	0.6980
0.7260	278.15	0.7030
0.7320	308.15	0.7240
0.7370	268.15	0.6890
0.7400	318.15	0.7390
0.7490	298.15	0.7380
0.7530	283.15	0.7040
0.8670	268.15	0.7470
0.8950	298.15	0.8200
0.8950	318.15	0.8580
0.8980	278.15	0.7880
0.8980	288.15	0.8110
0.9140	283.15	0.8210
0.9200	308.15	0.8670
1.0000	268.15	1.0000
1.0000	278.15	1.0000
1.0000	283.15	1.0000
1.0000	288.15	1.0000
1.0000	298.15	1.0000
1.0000	308.15	1.0000
1.0000	318.15	1.0000

Critical pressure, kPa [ref]

Mole fraction of Difluoromethane (2) - Liquid	Critical pressure, kPa - Liquid
0.5270	5210.00
0.8660	5532.00

Critical pressure, kPa [ref]

Mole fraction of Difluoromethane (2) - Liquid	Critical pressure, kPa - Liquid
0.5270	5210.00
0.8660	5532.00

Vapor or sublimation pressure, kPa [ref]

Fixed		Measured
Mole fraction of Difluoromethane (2) - Liquid	Temperature, K - Liquid	Vapor or sublimation pressure, kPa - Liquid
0.0000	278.10	553.00
0.0000	294.83	874.00
0.0000	343.26	2591.00
0.0080	294.83	926.00
0.0170	313.26	1496.00
0.0270	303.23	1255.00
0.0340	313.26	1608.00
0.0430	278.10	727.00
0.0460	294.83	1123.00
0.0640	294.83	1206.00
0.0650	343.26	3139.00
0.0730	303.23	1492.00
0.1130	343.26	3499.00
0.1230	294.83	1406.00
0.1240	278.10	936.00
0.1650	303.23	1824.00
0.1880	343.26	3964.00
0.1980	313.26	2344.00
0.2370	343.26	4222.00
0.2620	278.10	1109.00
0.2640	294.83	1693.00
0.2720	313.26	2540.00
0.2820	343.26	4442.00
0.2870	303.23	2076.00
0.3450	343.26	4702.00
0.3670	313.26	2720.00
0.4240	278.10	1189.00
0.4320	343.26	5009.00
0.4390	294.83	1840.00
0.4560	303.23	2262.00
0.4570	343.26	5077.00
0.4680	313.26	2844.00
0.4740	278.10	1201.00
0.5160	278.10	1209.00
0.5350	303.23	2311.00
0.5630	278.10	1215.00
0.5640	303.23	2317.00
0.5820	313.26	2931.00
0.5830	278.10	1218.00
0.5990	294.83	1897.00
0.6050	313.26	2940.00
0.6080	278.10	1220.00
0.6180	294.83	1900.00
0.6220	313.26	2952.00
0.6280	278.10	1221.00
0.6460	303.23	2336.00
0.6730	278.10	1222.00
0.6800	278.10	1221.00
0.6940	294.83	1906.00
0.6940	303.23	2340.00
0.7050	303.23	2345.00
0.7100	313.26	2964.00
0.7310	294.83	1903.00
0.7560	278.10	1214.00
0.7590	294.83	1897.00
0.7910	278.10	1205.00
0.7940	303.23	2318.00
0.7990	313.26	2923.00
0.8020	294.83	1880.00
0.8440	313.26	2880.00
0.8580	343.26	5451.00
0.8760	343.26	5413.00
0.8900	303.23	2226.00
0.9090	278.10	1131.00
0.9110	343.26	5308.00
0.9240	343.26	5259.00
0.9390	343.26	5201.00
0.9410	294.83	1715.00
0.9470	313.26	2685.00
0.9530	303.23	2094.00
0.9570	294.83	1677.00
0.9720	343.26	5049.00
0.9750	278.10	1023.00
0.9920	343.26	4940.00
1.0000	278.10	956.00
1.0000	294.83	1547.00
1.0000	303.23	1937.00
1.0000	313.26	2491.00
1.0000	343.26	4892.00

Vapor or sublimation pressure, kPa [ref]

Fixed		Measured
Temperature, K - Liquid	Mole fraction of Difluoromethane (2) - Liquid	Vapor or sublimation pressure, kPa - Liquid
287.53	0.4390	1533.00
295.38	0.4650	1869.00
303.67	0.4650	2278.00
313.02	0.4650	2817.00
323.16	0.8660	3572.00
323.25	0.4390	3455.00
323.35	0.4650	3497.00
332.75	0.8660	4404.00
333.04	0.4390	4186.00
333.17	0.4650	4251.00
333.49	0.3880	4090.00
333.49	0.4060	4129.00
337.85	0.4650	4629.00
340.42	0.4650	4739.00
342.15	0.4060	4874.00
343.10	0.1730	3876.00
343.18	0.3880	4821.00

Vapor or sublimation pressure, kPa [ref]

Fixed		Measured
Mole fraction of Difluoromethane (2) - Liquid	Temperature, K - Liquid	Vapor or sublimation pressure, kPa - Liquid
0.0000	268.15	408.00
0.0000	278.15	549.00
0.0000	283.15	636.00
0.0000	288.15	735.00
0.0000	298.15	955.00
0.0000	308.15	1213.00
0.0000	318.15	1531.00
0.1300	278.15	946.00
0.1350	288.15	1228.00
0.1420	283.15	1092.00
0.1430	268.15	747.00
0.1580	308.15	1961.00
0.1580	318.15	2387.00
0.1680	298.15	1632.00
0.3270	308.15	2339.00
0.3410	278.15	1148.00
0.3440	318.15	2929.00
0.3560	288.15	1502.00
0.3740	283.15	1329.00
0.3800	298.15	1961.00
0.4220	268.15	892.00
0.5890	278.15	1214.00
0.5900	268.15	907.00
0.6180	298.15	2093.00
0.6270	318.15	3265.00
0.6600	308.15	2631.00
0.6640	288.15	1601.00
0.6680	283.15	1403.00
0.7240	288.15	1603.00
0.7260	278.15	1223.00
0.7320	308.15	2629.00
0.7370	268.15	902.00
0.7400	318.15	3271.00
0.7490	298.15	2075.00
0.7530	283.15	1392.00
0.8670	268.15	867.00
0.8950	298.15	1973.00
0.8950	318.15	3107.00
0.8980	278.15	1139.00
0.8980	288.15	1506.00
0.9140	283.15	1289.00
0.9200	308.15	2471.00
1.0000	268.15	695.00
1.0000	278.15	952.00
1.0000	283.15	1102.00
1.0000	288.15	1281.00
1.0000	298.15	1686.00
1.0000	308.15	2185.00
1.0000	318.15	2795.00

Vapor or sublimation pressure, kPa [ref]

Fixed		Measured
Temperature, K - Liquid	Mole fraction of Propane (1) - Liquid	Vapor or sublimation pressure, kPa - Liquid
280.00	0.0100	1034.61
280.00	0.0130	1043.03
280.00	0.0370	1099.68
280.00	0.0700	1159.63
280.00	0.0870	1184.36
280.00	0.0920	1190.67
280.00	0.1150	1217.40
280.00	0.1200	1222.01
280.00	0.1210	1223.07
280.00	0.1230	1224.52
280.00	0.1240	1225.61
280.00	0.1310	1232.43
280.00	0.1410	1240.57
280.00	0.5150	1281.92
280.00	0.5880	1263.20
280.00	0.6050	1257.52
280.00	0.6480	1239.90
280.00	0.6620	1232.84
280.00	0.6820	1221.87
280.00	0.6970	1212.24
280.00	0.7060	1206.12
280.00	0.7290	1189.23
280.00	0.7550	1166.11
280.00	0.7750	1144.97
280.00	0.8130	1097.55
280.00	0.8260	1077.66
280.00	0.8980	935.20
280.00	0.9310	842.18
280.00	0.9420	807.51
280.00	0.9680	715.86
280.00	0.6480	1239.68
290.00	0.0020	1355.46
290.00	0.0030	1359.27
290.00	0.0040	1363.25
290.00	0.0050	1367.28
290.00	0.0390	1461.54
290.00	0.0650	1517.47
290.00	0.0780	1542.83
290.00	0.0810	1547.85
290.00	0.0900	1561.57
290.00	0.0950	1569.39
290.00	0.0970	1572.52
290.00	0.1140	1593.54
290.00	0.1430	1627.26
290.00	0.1560	1639.45
290.00	0.1750	1653.88
290.00	0.1850	1660.57
290.00	0.1980	1668.21
290.00	0.2090	1673.93
290.00	0.4850	1678.30
290.00	0.5060	1672.01
290.00	0.5250	1665.23
290.00	0.5390	1659.83
290.00	0.5800	1641.39
290.00	0.5960	1633.21
290.00	0.6040	1628.53
290.00	0.6480	1599.99
290.00	0.6910	1564.36
290.00	0.7680	1475.11
290.00	0.8050	1414.83
290.00	0.8960	1199.39
290.00	0.9170	1131.63
290.00	0.9250	1102.98
290.00	0.9750	897.69
290.00	0.9860	841.43
290.00	0.9990	773.92
300.00	0.0200	1839.91
300.00	0.0450	1909.67
300.00	0.0870	1999.70
300.00	0.1100	2037.48
300.00	0.1200	2052.59
300.00	0.1240	2057.09
300.00	0.1490	2105.88
300.00	0.1540	2092.64
300.00	0.2200	2140.52
300.00	0.5730	2093.35
300.00	0.6820	1989.33
300.00	0.6920	1948.11
300.00	0.7030	1933.25
300.00	0.7440	1897.92
300.00	0.7480	1863.74
300.00	0.7610	1840.87
300.00	0.7710	1820.31
300.00	0.7820	1824.77
300.00	0.7900	1783.29
300.00	0.8240	1704.57
300.00	0.8340	1728.90
300.00	0.8380	1666.58
300.00	0.8520	1628.50
300.00	0.8650	1588.51
300.00	0.8810	1537.91
300.00	0.8930	1497.46
300.00	0.8970	1482.54
300.00	0.9110	1430.99
300.00	0.9180	1404.09
300.00	0.9380	1319.76
300.00	0.9820	1106.05
300.00	0.9940	1031.29
300.00	0.9990	1002.83

Vapor or sublimation pressure, kPa [ref]

Fixed		Measured
Mole fraction of Difluoromethane (2) - Liquid	Temperature, K - Liquid	Vapor or sublimation pressure, kPa - Liquid
0.0000	278.10	553.00
0.0000	294.83	874.00
0.0000	343.26	2591.00
0.0080	294.83	926.00
0.0170	313.26	1496.00
0.0270	303.23	1255.00
0.0340	313.26	1608.00
0.0430	278.10	727.00
0.0460	294.83	1123.00
0.0640	294.83	1206.00
0.0650	343.26	3139.00
0.0730	303.23	1492.00
0.1130	343.26	3499.00
0.1230	294.83	1406.00
0.1240	278.10	936.00
0.1650	303.23	1824.00
0.1880	343.26	3964.00
0.1980	313.26	2344.00
0.2370	343.26	4222.00
0.2620	278.10	1109.00
0.2640	294.83	1693.00
0.2720	313.26	2540.00
0.2820	343.26	4442.00
0.2870	303.23	2076.00
0.3450	343.26	4702.00
0.3670	313.26	2720.00
0.4240	278.10	1189.00
0.4320	343.26	5009.00
0.4390	294.83	1840.00
0.4560	303.23	2262.00
0.4570	343.26	5077.00
0.4680	313.26	2844.00
0.4740	278.10	1201.00
0.5160	278.10	1209.00
0.5350	303.23	2311.00
0.5630	278.10	1215.00
0.5640	303.23	2317.00
0.5820	313.26	2931.00
0.5830	278.10	1218.00
0.5990	294.83	1897.00
0.6050	313.26	2940.00
0.6080	278.10	1220.00
0.6180	294.83	1900.00
0.6220	313.26	2952.00
0.6280	278.10	1221.00
0.6460	303.23	2336.00
0.6730	278.10	1222.00
0.6800	278.10	1221.00
0.6940	294.83	1906.00
0.6940	303.23	2340.00
0.7050	303.23	2345.00
0.7100	313.26	2964.00
0.7310	294.83	1903.00
0.7560	278.10	1214.00
0.7590	294.83	1897.00
0.7910	278.10	1205.00
0.7940	303.23	2318.00
0.7990	313.26	2923.00
0.8020	294.83	1880.00
0.8440	313.26	2880.00
0.8580	343.26	5451.00
0.8760	343.26	5413.00
0.8900	303.23	2226.00
0.9090	278.10	1131.00
0.9110	343.26	5308.00
0.9240	343.26	5259.00
0.9390	343.26	5201.00
0.9410	294.83	1715.00
0.9470	313.26	2685.00
0.9530	303.23	2094.00
0.9570	294.83	1677.00
0.9720	343.26	5049.00
0.9750	278.10	1023.00
0.9920	343.26	4940.00
1.0000	278.10	956.00
1.0000	294.83	1547.00
1.0000	303.23	1937.00
1.0000	313.26	2491.00
1.0000	343.26	4892.00

Vapor or sublimation pressure, kPa [ref]

Fixed		Measured
Temperature, K - Liquid	Mole fraction of Difluoromethane (2) - Liquid	Vapor or sublimation pressure, kPa - Liquid
287.53	0.4390	1533.00
295.38	0.4650	1869.00
303.67	0.4650	2278.00
313.02	0.4650	2817.00
323.16	0.8660	3572.00
323.25	0.4390	3455.00
323.35	0.4650	3497.00
332.75	0.8660	4404.00
333.04	0.4390	4186.00
333.17	0.4650	4251.00
333.49	0.3880	4090.00
333.49	0.4060	4129.00
337.85	0.4650	4629.00
340.42	0.4650	4739.00
342.15	0.4060	4874.00
343.10	0.1730	3876.00
343.18	0.3880	4821.00

Vapor or sublimation pressure, kPa [ref]

Fixed		Measured
Mole fraction of Difluoromethane (2) - Liquid	Temperature, K - Liquid	Vapor or sublimation pressure, kPa - Liquid
0.0000	268.15	408.00
0.0000	278.15	549.00
0.0000	283.15	636.00
0.0000	288.15	735.00
0.0000	298.15	955.00
0.0000	308.15	1213.00
0.0000	318.15	1531.00
0.1300	278.15	946.00
0.1350	288.15	1228.00
0.1420	283.15	1092.00
0.1430	268.15	747.00
0.1580	308.15	1961.00
0.1580	318.15	2387.00
0.1680	298.15	1632.00
0.3270	308.15	2339.00
0.3410	278.15	1148.00
0.3440	318.15	2929.00
0.3560	288.15	1502.00
0.3740	283.15	1329.00
0.3800	298.15	1961.00
0.4220	268.15	892.00
0.5890	278.15	1214.00
0.5900	268.15	907.00
0.6180	298.15	2093.00
0.6270	318.15	3265.00
0.6600	308.15	2631.00
0.6640	288.15	1601.00
0.6680	283.15	1403.00
0.7240	288.15	1603.00
0.7260	278.15	1223.00
0.7320	308.15	2629.00
0.7370	268.15	902.00
0.7400	318.15	3271.00
0.7490	298.15	2075.00
0.7530	283.15	1392.00
0.8670	268.15	867.00
0.8950	298.15	1973.00
0.8950	318.15	3107.00
0.8980	278.15	1139.00
0.8980	288.15	1506.00
0.9140	283.15	1289.00
0.9200	308.15	2471.00
1.0000	268.15	695.00
1.0000	278.15	952.00
1.0000	283.15	1102.00
1.0000	288.15	1281.00
1.0000	298.15	1686.00
1.0000	308.15	2185.00
1.0000	318.15	2795.00

Vapor or sublimation pressure, kPa [ref]

Fixed		Measured
Temperature, K - Liquid	Mole fraction of Propane (1) - Liquid	Vapor or sublimation pressure, kPa - Liquid
280.00	0.0100	1034.61
280.00	0.0130	1043.03
280.00	0.0370	1099.68
280.00	0.0700	1159.63
280.00	0.0870	1184.36
280.00	0.0920	1190.67
280.00	0.1150	1217.40
280.00	0.1200	1222.01
280.00	0.1210	1223.07
280.00	0.1230	1224.52
280.00	0.1240	1225.61
280.00	0.1310	1232.43
280.00	0.1410	1240.57
280.00	0.5150	1281.92
280.00	0.5880	1263.20
280.00	0.6050	1257.52
280.00	0.6480	1239.90
280.00	0.6620	1232.84
280.00	0.6820	1221.87
280.00	0.6970	1212.24
280.00	0.7060	1206.12
280.00	0.7290	1189.23
280.00	0.7550	1166.11
280.00	0.7750	1144.97
280.00	0.8130	1097.55
280.00	0.8260	1077.66
280.00	0.8980	935.20
280.00	0.9310	842.18
280.00	0.9420	807.51
280.00	0.9680	715.86
280.00	0.6480	1239.68
290.00	0.0020	1355.46
290.00	0.0030	1359.27
290.00	0.0040	1363.25
290.00	0.0050	1367.28
290.00	0.0390	1461.54
290.00	0.0650	1517.47
290.00	0.0780	1542.83
290.00	0.0810	1547.85
290.00	0.0900	1561.57
290.00	0.0950	1569.39
290.00	0.0970	1572.52
290.00	0.1140	1593.54
290.00	0.1430	1627.26
290.00	0.1560	1639.45
290.00	0.1750	1653.88
290.00	0.1850	1660.57
290.00	0.1980	1668.21
290.00	0.2090	1673.93
290.00	0.4850	1678.30
290.00	0.5060	1672.01
290.00	0.5250	1665.23
290.00	0.5390	1659.83
290.00	0.5800	1641.39
290.00	0.5960	1633.21
290.00	0.6040	1628.53
290.00	0.6480	1599.99
290.00	0.6910	1564.36
290.00	0.7680	1475.11
290.00	0.8050	1414.83
290.00	0.8960	1199.39
290.00	0.9170	1131.63
290.00	0.9250	1102.98
290.00	0.9750	897.69
290.00	0.9860	841.43
290.00	0.9990	773.92
300.00	0.0200	1839.91
300.00	0.0450	1909.67
300.00	0.0870	1999.70
300.00	0.1100	2037.48
300.00	0.1200	2052.59
300.00	0.1240	2057.09
300.00	0.1490	2105.88
300.00	0.1540	2092.64
300.00	0.2200	2140.52
300.00	0.5730	2093.35
300.00	0.6820	1989.33
300.00	0.6920	1948.11
300.00	0.7030	1933.25
300.00	0.7440	1897.92
300.00	0.7480	1863.74
300.00	0.7610	1840.87
300.00	0.7710	1820.31
300.00	0.7820	1824.77
300.00	0.7900	1783.29
300.00	0.8240	1704.57
300.00	0.8340	1728.90
300.00	0.8380	1666.58
300.00	0.8520	1628.50
300.00	0.8650	1588.51
300.00	0.8810	1537.91
300.00	0.8930	1497.46
300.00	0.8970	1482.54
300.00	0.9110	1430.99
300.00	0.9180	1404.09
300.00	0.9380	1319.76
300.00	0.9820	1106.05
300.00	0.9940	1031.29
300.00	0.9990	1002.83

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

Fixed		Measured
Temperature, K - Liquid	Mole fraction of Propane (1) - Liquid	Surface tension liquid-gas, N/m - Liquid
280.00	0.0100	0.0097
280.00	0.0130	0.0094
280.00	0.0370	0.0095
280.00	0.0700	0.0090
280.00	0.0870	0.0087
280.00	0.0920	0.0084
280.00	0.1150	0.0085
280.00	0.1200	0.0084
280.00	0.1210	0.0080
280.00	0.1230	0.0082
280.00	0.1240	0.0082
280.00	0.1310	0.0079
280.00	0.1410	0.0080
280.00	0.5150	0.0064
280.00	0.5880	0.0065
280.00	0.6050	0.0065
280.00	0.6480	0.0068
280.00	0.6620	0.0068
280.00	0.6820	0.0068
280.00	0.6970	0.0070
280.00	0.7060	0.0071
280.00	0.7290	0.0071
280.00	0.7550	0.0074
280.00	0.7750	0.0074
280.00	0.8130	0.0078
280.00	0.8260	0.0078
280.00	0.8980	0.0084
280.00	0.9310	0.0088
280.00	0.9420	0.0089
280.00	0.9680	0.0091
280.00	0.6480	0.0067
290.00	0.0020	0.0081
290.00	0.0030	0.0080
290.00	0.0040	0.0080
290.00	0.0050	0.0079
290.00	0.0390	0.0075
290.00	0.0650	0.0072
290.00	0.0780	0.0070
290.00	0.0810	0.0072
290.00	0.0900	0.0071
290.00	0.0950	0.0069
290.00	0.0970	0.0069
290.00	0.1140	0.0066
290.00	0.1430	0.0065
290.00	0.1560	0.0063
290.00	0.1750	0.0059
290.00	0.1850	0.0059
290.00	0.1980	0.0060
290.00	0.2090	0.0057
290.00	0.4850	0.0050
290.00	0.5060	0.0049
290.00	0.5250	0.0050
290.00	0.5390	0.0051
290.00	0.5800	0.0051
290.00	0.5960	0.0051
290.00	0.6040	0.0052
290.00	0.6480	0.0056
290.00	0.6910	0.0059
290.00	0.7680	0.0061
290.00	0.8050	0.0064
290.00	0.8960	0.0070
290.00	0.9170	0.0073
290.00	0.9250	0.0074
290.00	0.9750	0.0077
290.00	0.9860	0.0079
290.00	0.9990	0.0081
300.00	0.0200	0.0060
300.00	0.0450	0.0057
300.00	0.0870	0.0054
300.00	0.1100	0.0052
300.00	0.1200	0.0050
300.00	0.1240	0.0050
300.00	0.1490	0.0046
300.00	0.1540	0.0047
300.00	0.2200	0.0041
300.00	0.5730	0.0040
300.00	0.6820	0.0045
300.00	0.6920	0.0047
300.00	0.7030	0.0047
300.00	0.7440	0.0049
300.00	0.7480	0.0051
300.00	0.7610	0.0050
300.00	0.7710	0.0051
300.00	0.7820	0.0051
300.00	0.7900	0.0052
300.00	0.8240	0.0055
300.00	0.8340	0.0054
300.00	0.8380	0.0055
300.00	0.8520	0.0056
300.00	0.8650	0.0058
300.00	0.8810	0.0058
300.00	0.8930	0.0060
300.00	0.8970	0.0059
300.00	0.9110	0.0060
300.00	0.9180	0.0062
300.00	0.9380	0.0064
300.00	0.9820	0.0068
300.00	0.9940	0.0067
300.00	0.9990	0.0069

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

Fixed		Measured
Temperature, K - Liquid	Mole fraction of Propane (1) - Liquid	Surface tension liquid-gas, N/m - Liquid
280.00	0.0100	0.0097
280.00	0.0130	0.0094
280.00	0.0370	0.0095
280.00	0.0700	0.0090
280.00	0.0870	0.0087
280.00	0.0920	0.0084
280.00	0.1150	0.0085
280.00	0.1200	0.0084
280.00	0.1210	0.0080
280.00	0.1230	0.0082
280.00	0.1240	0.0082
280.00	0.1310	0.0079
280.00	0.1410	0.0080
280.00	0.5150	0.0064
280.00	0.5880	0.0065
280.00	0.6050	0.0065
280.00	0.6480	0.0068
280.00	0.6620	0.0068
280.00	0.6820	0.0068
280.00	0.6970	0.0070
280.00	0.7060	0.0071
280.00	0.7290	0.0071
280.00	0.7550	0.0074
280.00	0.7750	0.0074
280.00	0.8130	0.0078
280.00	0.8260	0.0078
280.00	0.8980	0.0084
280.00	0.9310	0.0088
280.00	0.9420	0.0089
280.00	0.9680	0.0091
280.00	0.6480	0.0067
290.00	0.0020	0.0081
290.00	0.0030	0.0080
290.00	0.0040	0.0080
290.00	0.0050	0.0079
290.00	0.0390	0.0075
290.00	0.0650	0.0072
290.00	0.0780	0.0070
290.00	0.0810	0.0072
290.00	0.0900	0.0071
290.00	0.0950	0.0069
290.00	0.0970	0.0069
290.00	0.1140	0.0066
290.00	0.1430	0.0065
290.00	0.1560	0.0063
290.00	0.1750	0.0059
290.00	0.1850	0.0059
290.00	0.1980	0.0060
290.00	0.2090	0.0057
290.00	0.4850	0.0050
290.00	0.5060	0.0049
290.00	0.5250	0.0050
290.00	0.5390	0.0051
290.00	0.5800	0.0051
290.00	0.5960	0.0051
290.00	0.6040	0.0052
290.00	0.6480	0.0056
290.00	0.6910	0.0059
290.00	0.7680	0.0061
290.00	0.8050	0.0064
290.00	0.8960	0.0070
290.00	0.9170	0.0073
290.00	0.9250	0.0074
290.00	0.9750	0.0077
290.00	0.9860	0.0079
290.00	0.9990	0.0081
300.00	0.0200	0.0060
300.00	0.0450	0.0057
300.00	0.0870	0.0054
300.00	0.1100	0.0052
300.00	0.1200	0.0050
300.00	0.1240	0.0050
300.00	0.1490	0.0046
300.00	0.1540	0.0047
300.00	0.2200	0.0041
300.00	0.5730	0.0040
300.00	0.6820	0.0045
300.00	0.6920	0.0047
300.00	0.7030	0.0047
300.00	0.7440	0.0049
300.00	0.7480	0.0051
300.00	0.7610	0.0050
300.00	0.7710	0.0051
300.00	0.7820	0.0051
300.00	0.7900	0.0052
300.00	0.8240	0.0055
300.00	0.8340	0.0054
300.00	0.8380	0.0055
300.00	0.8520	0.0056
300.00	0.8650	0.0058
300.00	0.8810	0.0058
300.00	0.8930	0.0060
300.00	0.8970	0.0059
300.00	0.9110	0.0060
300.00	0.9180	0.0062
300.00	0.9380	0.0064
300.00	0.9820	0.0068
300.00	0.9940	0.0067
300.00	0.9990	0.0069

Critical temperature, K [ref]

Mole fraction of Difluoromethane (2) - Liquid	Critical temperature, K - Liquid
0.5270	342.50
0.8660	344.00

Critical temperature, K [ref]

Mole fraction of Difluoromethane (2) - Liquid	Critical temperature, K - Liquid
0.5270	342.50
0.8660	344.00

Azeotropic pressure, kPa [ref]

Temperature, K - Liquid	Azeotropic pressure, kPa - Liquid
278.10	1221.00
294.83	1906.00
303.23	2342.00
313.26	2961.00

Azeotropic pressure, kPa [ref]

Mole fraction of Difluoromethane (2) - Liquid	Azeotropic pressure, kPa - Liquid
0.6650	909.00
0.6710	1224.00
0.6780	1405.00
0.6840	1610.00
0.6880	2097.00
0.6970	2667.00
0.7010	3288.00

Azeotropic temperature, K [ref]

Mole fraction of Difluoromethane (2) - Liquid	Azeotropic temperature, K - Liquid
0.6650	268.15
0.6710	278.15
0.6780	283.15
0.6840	288.15
0.6880	298.15
0.6970	308.15
0.7010	318.15

Azeotropic pressure, kPa [ref]

Temperature, K - Liquid	Azeotropic pressure, kPa - Liquid
278.10	1221.00
294.83	1906.00
303.23	2342.00
313.26	2961.00

Azeotropic pressure, kPa [ref]

Mole fraction of Difluoromethane (2) - Liquid	Azeotropic pressure, kPa - Liquid
0.6650	909.00
0.6710	1224.00
0.6780	1405.00
0.6840	1610.00
0.6880	2097.00
0.6970	2667.00
0.7010	3288.00

Azeotropic temperature, K [ref]

Mole fraction of Difluoromethane (2) - Liquid	Azeotropic temperature, K - Liquid
0.6650	268.15
0.6710	278.15
0.6780	283.15
0.6840	288.15
0.6880	298.15
0.6970	308.15
0.7010	318.15

Sources

• Vapor-Liquid Equilibrium Data for the Azeotropic Difluoromethane + Propane System at Temperatures from 294.83 to 343.26 K and Pressures up to 5.4 MPa
• Vapor-Liquid Equilibria for the Binary System Difluoromethane (HFC-32) + Propane (HC-290) at Seven Temperatures [(268.15, 278.15, 283.15, 288.15, 298.15, 308.15, and 318.15) K]
• Measurements of the Surface Tension for the R290 + R32 Mixture