Mixture of Ethane, 1,1,2,2-tetrafluoro- + Isobutane

Datasets

1. Azeotropic composition: mole fraction (12)
2. Upper consolute temperature, K (4)
3. P_vap - Vapor or sublimation pressure, kPa (6)

Azeotropic composition: mole fraction of Ethane, 1,1,2,2-tetrafluoro- (1) [ref]

Pressure, kPa - Liquid	Azeotropic composition: mole fraction of Ethane, 1,1,2,2-tetrafluoro- (1) - Liquid
266.00	0.6080
316.00	0.6120
373.00	0.6220
512.00	0.6460

Azeotropic composition: mole fraction of Ethane, 1,1,2,2-tetrafluoro- (1) [ref]

Temperature, K - Liquid	Azeotropic composition: mole fraction of Ethane, 1,1,2,2-tetrafluoro- (1) - Liquid
268.15	0.6080
273.15	0.6120
278.15	0.6220
288.15	0.6460

Mole fraction of Ethane, 1,1,2,2-tetrafluoro- (1) [ref]

Fixed		Measured
Mole fraction of Ethane, 1,1,2,2-tetrafluoro- (1) - Liquid	Temperature, K - Gas	Mole fraction of Ethane, 1,1,2,2-tetrafluoro- (1) - Gas
0.0000	268.15	0.0000
0.0000	273.15	0.0000
0.0000	278.15	0.0000
0.0000	288.15	0.0000
0.0920	268.15	0.3820
0.0930	273.15	0.3730
0.0960	278.15	0.3630
0.1070	288.15	0.3580
0.4290	278.15	0.5870
0.4310	268.15	0.5860
0.4320	273.15	0.5840
0.4450	288.15	0.5880
0.5470	278.15	0.6070
0.5480	273.15	0.6030
0.5490	268.15	0.6000
0.5520	288.15	0.6210
0.5960	278.15	0.6160
0.5980	268.15	0.6070
0.6010	273.15	0.6120
0.6070	288.15	0.6220
0.6320	268.15	0.6100
0.6320	273.15	0.6160
0.6360	278.15	0.6230
0.6370	288.15	0.6300
0.6710	268.15	0.6160
0.6720	273.15	0.6250
0.6720	278.15	0.6300
0.6750	288.15	0.6420
0.7960	278.15	0.6700
0.8000	273.15	0.6600
0.8000	288.15	0.6890
0.8010	268.15	0.6510
1.0000	268.15	1.0000
1.0000	273.15	1.0000
1.0000	278.15	1.0000
1.0000	288.15	1.0000

Upper consolute composition: mole fraction of Ethane, 1,1,2,2-tetrafluoro- (1) [ref]

Upper consolute composition: mole fraction of Ethane, 1,1,2,2-tetrafluoro- (1) - Liquid mixture 1
0.5740

Mole fraction of Ethane, 1,1,2,2-tetrafluoro- (1) [ref]

Temperature, K - Liquid mixture 1	Mole fraction of Ethane, 1,1,2,2-tetrafluoro- (1) - Liquid mixture 1
235.44	0.2652
236.06	0.2786
236.48	0.2844
237.05	0.2941
237.47	0.3020
238.43	0.3262
239.47	0.3516
240.23	0.3840
240.94	0.4216
241.15	0.4330
241.34	0.4556
241.42	0.4635
241.48	0.4757
241.54	0.4777
241.58	0.4892
241.62	0.4969
241.64	0.5026
241.67	0.5140
241.69	0.5326
241.72	0.5614
241.72	0.5780
241.70	0.6081
241.68	0.6230
241.65	0.6388
241.62	0.6453
241.61	0.6511
241.58	0.6610
241.51	0.6638
241.47	0.6790
241.39	0.6836
241.19	0.7074
240.80	0.7264
240.41	0.7422
240.30	0.7456
239.30	0.7753
238.31	0.7966
237.30	0.8138
235.31	0.8439

Mole fraction of Ethane, 1,1,2,2-tetrafluoro- (1) [ref]

Temperature, K - Liquid mixture 1	Mole fraction of Ethane, 1,1,2,2-tetrafluoro- (1) - Gas
235.31	0.5716
237.30	0.5744
238.31	0.5744
239.30	0.5752
240.30	0.5792
240.41	0.5784
240.42	0.5770
241.19	0.5812
241.39	0.5801
241.50	0.5802
241.52	0.5798
241.59	0.5805
241.62	0.5786
241.65	0.5801
241.66	0.5809
241.67	0.5818
241.69	0.5805
241.70	0.5813
241.72	0.5818

Azeotropic composition: mole fraction of Ethane, 1,1,2,2-tetrafluoro- (1) [ref]

Pressure, kPa - Liquid	Azeotropic composition: mole fraction of Ethane, 1,1,2,2-tetrafluoro- (1) - Liquid
266.00	0.6080
316.00	0.6120
373.00	0.6220
512.00	0.6460

Azeotropic composition: mole fraction of Ethane, 1,1,2,2-tetrafluoro- (1) [ref]

Temperature, K - Liquid	Azeotropic composition: mole fraction of Ethane, 1,1,2,2-tetrafluoro- (1) - Liquid
268.15	0.6080
273.15	0.6120
278.15	0.6220
288.15	0.6460

Mole fraction of Ethane, 1,1,2,2-tetrafluoro- (1) [ref]

Fixed		Measured
Mole fraction of Ethane, 1,1,2,2-tetrafluoro- (1) - Liquid	Temperature, K - Gas	Mole fraction of Ethane, 1,1,2,2-tetrafluoro- (1) - Gas
0.0000	268.15	0.0000
0.0000	273.15	0.0000
0.0000	278.15	0.0000
0.0000	288.15	0.0000
0.0920	268.15	0.3820
0.0930	273.15	0.3730
0.0960	278.15	0.3630
0.1070	288.15	0.3580
0.4290	278.15	0.5870
0.4310	268.15	0.5860
0.4320	273.15	0.5840
0.4450	288.15	0.5880
0.5470	278.15	0.6070
0.5480	273.15	0.6030
0.5490	268.15	0.6000
0.5520	288.15	0.6210
0.5960	278.15	0.6160
0.5980	268.15	0.6070
0.6010	273.15	0.6120
0.6070	288.15	0.6220
0.6320	268.15	0.6100
0.6320	273.15	0.6160
0.6360	278.15	0.6230
0.6370	288.15	0.6300
0.6710	268.15	0.6160
0.6720	273.15	0.6250
0.6720	278.15	0.6300
0.6750	288.15	0.6420
0.7960	278.15	0.6700
0.8000	273.15	0.6600
0.8000	288.15	0.6890
0.8010	268.15	0.6510
1.0000	268.15	1.0000
1.0000	273.15	1.0000
1.0000	278.15	1.0000
1.0000	288.15	1.0000

Upper consolute composition: mole fraction of Ethane, 1,1,2,2-tetrafluoro- (1) [ref]

Upper consolute composition: mole fraction of Ethane, 1,1,2,2-tetrafluoro- (1) - Liquid mixture 1
0.5740

Mole fraction of Ethane, 1,1,2,2-tetrafluoro- (1) [ref]

Temperature, K - Liquid mixture 1	Mole fraction of Ethane, 1,1,2,2-tetrafluoro- (1) - Liquid mixture 1
235.44	0.2652
236.06	0.2786
236.48	0.2844
237.05	0.2941
237.47	0.3020
238.43	0.3262
239.47	0.3516
240.23	0.3840
240.94	0.4216
241.15	0.4330
241.34	0.4556
241.42	0.4635
241.48	0.4757
241.54	0.4777
241.58	0.4892
241.62	0.4969
241.64	0.5026
241.67	0.5140
241.69	0.5326
241.72	0.5614
241.72	0.5780
241.70	0.6081
241.68	0.6230
241.65	0.6388
241.62	0.6453
241.61	0.6511
241.58	0.6610
241.51	0.6638
241.47	0.6790
241.39	0.6836
241.19	0.7074
240.80	0.7264
240.41	0.7422
240.30	0.7456
239.30	0.7753
238.31	0.7966
237.30	0.8138
235.31	0.8439

Mole fraction of Ethane, 1,1,2,2-tetrafluoro- (1) [ref]

Temperature, K - Liquid mixture 1	Mole fraction of Ethane, 1,1,2,2-tetrafluoro- (1) - Gas
235.31	0.5716
237.30	0.5744
238.31	0.5744
239.30	0.5752
240.30	0.5792
240.41	0.5784
240.42	0.5770
241.19	0.5812
241.39	0.5801
241.50	0.5802
241.52	0.5798
241.59	0.5805
241.62	0.5786
241.65	0.5801
241.66	0.5809
241.67	0.5818
241.69	0.5805
241.70	0.5813
241.72	0.5818

Upper consolute temperature, K [ref]

Upper consolute temperature, K - Liquid mixture 1
241.74

Upper consolute pressure, kPa [ref]

Upper consolute pressure, kPa - Liquid mixture 1
91.21

Upper consolute temperature, K [ref]

Upper consolute temperature, K - Liquid mixture 1
241.74

Upper consolute pressure, kPa [ref]

Upper consolute pressure, kPa - Liquid mixture 1
91.21

Vapor or sublimation pressure, kPa [ref]

Fixed		Measured
Mole fraction of Ethane, 1,1,2,2-tetrafluoro- (1) - Liquid	Temperature, K - Liquid	Vapor or sublimation pressure, kPa - Liquid
0.0000	268.15	132.00
0.0000	273.15	159.00
0.0000	278.15	189.00
0.0000	288.15	262.00
0.0920	268.15	207.00
0.0930	273.15	243.00
0.0960	278.15	284.00
0.1070	288.15	381.00
0.4290	278.15	369.00
0.4310	268.15	264.00
0.4320	273.15	313.00
0.4450	288.15	503.00
0.5470	278.15	372.00
0.5480	273.15	316.00
0.5490	268.15	266.00
0.5520	288.15	511.00
0.5960	278.15	373.00
0.5980	268.15	266.00
0.6010	273.15	316.00
0.6070	288.15	511.00
0.6320	268.15	266.00
0.6320	273.15	316.00
0.6360	278.15	373.00
0.6370	288.15	512.00
0.6710	268.15	266.00
0.6720	273.15	316.00
0.6720	278.15	373.00
0.6750	288.15	511.00
0.7960	278.15	367.00
0.8000	273.15	310.00
0.8000	288.15	502.00
0.8010	268.15	261.00
1.0000	268.15	189.00
1.0000	273.15	227.00
1.0000	278.15	276.00
1.0000	288.15	386.00

Vapor or sublimation pressure, kPa [ref]

Temperature, K - Liquid mixture 1	Vapor or sublimation pressure, kPa - Liquid mixture 1
235.44	67.66
236.06	69.77
236.48	71.12
237.05	73.23
237.47	74.64
238.43	78.24
239.47	82.06
240.23	85.01
240.94	87.89
241.15	88.74
241.34	89.53
241.42	89.86
241.48	90.12
241.54	90.35
241.58	90.51
241.62	90.66
241.64	90.75
241.67	90.90
241.69	91.01
241.72	91.09
241.72	91.09
241.70	91.03
241.68	90.92
241.65	90.79
241.62	90.67
241.61	90.63
241.58	90.62
241.51	90.35
241.47	90.15
241.39	89.89
241.19	89.08
240.80	87.54
240.41	85.98
240.30	85.68
239.30	81.48
238.31	77.59
237.30	74.02
235.31	67.16

Vapor or sublimation pressure, kPa [ref]

Temperature, K - Liquid mixture 1	Vapor or sublimation pressure, kPa - Liquid mixture 1
235.31	67.15
237.30	74.01
238.31	77.68
239.30	81.48
240.30	85.70
240.41	85.99
240.42	86.08
241.19	89.04
241.39	89.89
241.50	90.22
241.52	90.30
241.59	90.63
241.62	90.66
241.65	90.79
241.66	90.86
241.67	90.92
241.69	91.00
241.70	91.03
241.72	91.10

Vapor or sublimation pressure, kPa [ref]

Fixed		Measured
Mole fraction of Ethane, 1,1,2,2-tetrafluoro- (1) - Liquid	Temperature, K - Liquid	Vapor or sublimation pressure, kPa - Liquid
0.0000	268.15	132.00
0.0000	273.15	159.00
0.0000	278.15	189.00
0.0000	288.15	262.00
0.0920	268.15	207.00
0.0930	273.15	243.00
0.0960	278.15	284.00
0.1070	288.15	381.00
0.4290	278.15	369.00
0.4310	268.15	264.00
0.4320	273.15	313.00
0.4450	288.15	503.00
0.5470	278.15	372.00
0.5480	273.15	316.00
0.5490	268.15	266.00
0.5520	288.15	511.00
0.5960	278.15	373.00
0.5980	268.15	266.00
0.6010	273.15	316.00
0.6070	288.15	511.00
0.6320	268.15	266.00
0.6320	273.15	316.00
0.6360	278.15	373.00
0.6370	288.15	512.00
0.6710	268.15	266.00
0.6720	273.15	316.00
0.6720	278.15	373.00
0.6750	288.15	511.00
0.7960	278.15	367.00
0.8000	273.15	310.00
0.8000	288.15	502.00
0.8010	268.15	261.00
1.0000	268.15	189.00
1.0000	273.15	227.00
1.0000	278.15	276.00
1.0000	288.15	386.00

Vapor or sublimation pressure, kPa [ref]

Temperature, K - Liquid mixture 1	Vapor or sublimation pressure, kPa - Liquid mixture 1
235.44	67.66
236.06	69.77
236.48	71.12
237.05	73.23
237.47	74.64
238.43	78.24
239.47	82.06
240.23	85.01
240.94	87.89
241.15	88.74
241.34	89.53
241.42	89.86
241.48	90.12
241.54	90.35
241.58	90.51
241.62	90.66
241.64	90.75
241.67	90.90
241.69	91.01
241.72	91.09
241.72	91.09
241.70	91.03
241.68	90.92
241.65	90.79
241.62	90.67
241.61	90.63
241.58	90.62
241.51	90.35
241.47	90.15
241.39	89.89
241.19	89.08
240.80	87.54
240.41	85.98
240.30	85.68
239.30	81.48
238.31	77.59
237.30	74.02
235.31	67.16

Vapor or sublimation pressure, kPa [ref]

Temperature, K - Liquid mixture 1	Vapor or sublimation pressure, kPa - Liquid mixture 1
235.31	67.15
237.30	74.01
238.31	77.68
239.30	81.48
240.30	85.70
240.41	85.99
240.42	86.08
241.19	89.04
241.39	89.89
241.50	90.22
241.52	90.30
241.59	90.63
241.62	90.66
241.65	90.79
241.66	90.86
241.67	90.92
241.69	91.00
241.70	91.03
241.72	91.10

Sources

• Isothermal (vapour + liquid) equilibrium for the binary {1,1,2,2-tetrafluoroethane (R134) + propane (R290)} and {1,1,2,2-tetrafluoroethane (R134) + isobutane (R600a)} systems
• (Vapor + liquid + liquid) equilibrium measurements and correlation for {1,1,2,2-tetrafluoroethane (R134) + isobutane (R600a)} system