Mixture of 1-Butene + Difluoromethane

Datasets

1. Mole fraction (4)
2. P_vap - Vapor or sublimation pressure, kPa (2)
3. Azeotropic pressure, kPa (2)

Mole fraction of Difluoromethane (2) [ref]

Fixed		Measured
Mole fraction of Difluoromethane (2) - Liquid	Temperature, K - Liquid	Mole fraction of Difluoromethane (2) - Gas
0.0200	302.86	0.3080
0.0580	302.86	0.5320
0.1070	302.86	0.6560
0.1710	302.86	0.7300
0.3210	302.86	0.7910
0.4620	302.86	0.8180
0.5560	302.86	0.8310
0.7410	302.86	0.8520
0.8820	302.86	0.8950
0.9130	302.86	0.9150
0.9410	302.86	0.9380
0.9510	302.86	0.9450
0.0200	317.91	0.2690
0.0700	317.91	0.5220
0.1310	317.91	0.6400
0.2210	317.91	0.7190
0.3910	317.91	0.7870
0.5010	317.91	0.8080
0.5560	317.91	0.8180
0.7520	317.91	0.8470
0.8840	317.91	0.8940
0.9120	317.91	0.9140
0.9400	317.91	0.9370
0.9520	317.91	0.9430
0.0200	332.92	0.2330
0.0910	332.92	0.5200
0.1910	332.92	0.6580
0.3210	332.92	0.7330
0.4220	332.92	0.7670
0.5130	332.92	0.7870
0.6110	332.92	0.8080
0.7820	332.92	0.8450
0.8830	332.92	0.8920
0.9010	332.92	0.9060
0.9330	332.92	0.9290
0.9490	332.92	0.9400

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

Temperature, K - Liquid	Azeotropic composition: mole fraction of Difluoromethane (2) - Liquid
302.86	0.9250
317.91	0.9180
332.92	0.9190

Mole fraction of Difluoromethane (2) [ref]

Fixed		Measured
Mole fraction of Difluoromethane (2) - Liquid	Temperature, K - Liquid	Mole fraction of Difluoromethane (2) - Gas
0.0200	302.86	0.3080
0.0580	302.86	0.5320
0.1070	302.86	0.6560
0.1710	302.86	0.7300
0.3210	302.86	0.7910
0.4620	302.86	0.8180
0.5560	302.86	0.8310
0.7410	302.86	0.8520
0.8820	302.86	0.8950
0.9130	302.86	0.9150
0.9410	302.86	0.9380
0.9510	302.86	0.9450
0.0200	317.91	0.2690
0.0700	317.91	0.5220
0.1310	317.91	0.6400
0.2210	317.91	0.7190
0.3910	317.91	0.7870
0.5010	317.91	0.8080
0.5560	317.91	0.8180
0.7520	317.91	0.8470
0.8840	317.91	0.8940
0.9120	317.91	0.9140
0.9400	317.91	0.9370
0.9520	317.91	0.9430
0.0200	332.92	0.2330
0.0910	332.92	0.5200
0.1910	332.92	0.6580
0.3210	332.92	0.7330
0.4220	332.92	0.7670
0.5130	332.92	0.7870
0.6110	332.92	0.8080
0.7820	332.92	0.8450
0.8830	332.92	0.8920
0.9010	332.92	0.9060
0.9330	332.92	0.9290
0.9490	332.92	0.9400

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

Temperature, K - Liquid	Azeotropic composition: mole fraction of Difluoromethane (2) - Liquid
302.86	0.9250
317.91	0.9180
332.92	0.9190

Vapor or sublimation pressure, kPa [ref]

Fixed		Measured
Mole fraction of Difluoromethane (2) - Liquid	Temperature, K - Liquid	Vapor or sublimation pressure, kPa - Liquid
0.0200	302.86	494.00
0.0580	302.86	763.00
0.1070	302.86	1037.00
0.1710	302.86	1287.00
0.3210	302.86	1603.00
0.4620	302.86	1762.00
0.5560	302.86	1828.00
0.7410	302.86	1887.00
0.8820	302.86	1933.00
0.9130	302.86	1927.00
0.9410	302.86	1928.00
0.9510	302.86	1923.00
0.0200	317.91	725.00
0.0700	317.91	1114.00
0.1310	317.91	1495.00
0.2210	317.91	1926.00
0.3910	317.91	2384.00
0.5010	317.91	2564.00
0.5560	317.91	2625.00
0.7520	317.91	2749.00
0.8840	317.91	2819.00
0.9120	317.91	2826.00
0.9400	317.91	2825.00
0.9520	317.91	2819.00
0.0200	332.92	990.00
0.0910	332.92	1658.00
0.1910	332.92	2344.00
0.3210	332.92	2963.00
0.4220	332.92	3302.00
0.5130	332.92	3500.00
0.6110	332.92	3687.00
0.7820	332.92	3885.00
0.8830	332.92	3973.00
0.9010	332.92	3981.00
0.9330	332.92	3986.00
0.9490	332.92	3978.00

Vapor or sublimation pressure, kPa [ref]

Fixed		Measured
Mole fraction of Difluoromethane (2) - Liquid	Temperature, K - Liquid	Vapor or sublimation pressure, kPa - Liquid
0.0200	302.86	494.00
0.0580	302.86	763.00
0.1070	302.86	1037.00
0.1710	302.86	1287.00
0.3210	302.86	1603.00
0.4620	302.86	1762.00
0.5560	302.86	1828.00
0.7410	302.86	1887.00
0.8820	302.86	1933.00
0.9130	302.86	1927.00
0.9410	302.86	1928.00
0.9510	302.86	1923.00
0.0200	317.91	725.00
0.0700	317.91	1114.00
0.1310	317.91	1495.00
0.2210	317.91	1926.00
0.3910	317.91	2384.00
0.5010	317.91	2564.00
0.5560	317.91	2625.00
0.7520	317.91	2749.00
0.8840	317.91	2819.00
0.9120	317.91	2826.00
0.9400	317.91	2825.00
0.9520	317.91	2819.00
0.0200	332.92	990.00
0.0910	332.92	1658.00
0.1910	332.92	2344.00
0.3210	332.92	2963.00
0.4220	332.92	3302.00
0.5130	332.92	3500.00
0.6110	332.92	3687.00
0.7820	332.92	3885.00
0.8830	332.92	3973.00
0.9010	332.92	3981.00
0.9330	332.92	3986.00
0.9490	332.92	3978.00

Azeotropic pressure, kPa [ref]

Temperature, K - Liquid	Azeotropic pressure, kPa - Liquid
302.86	1939.00
317.91	2821.00
332.92	3971.00

Azeotropic pressure, kPa [ref]

Temperature, K - Liquid	Azeotropic pressure, kPa - Liquid
302.86	1939.00
317.91	2821.00
332.92	3971.00

Sources

• Experimental vapour liquid equilibrium data and modeling for binary mixtures of 1-butene with 1,1,2,3,3,3-hexafluoro-1-propene, 2,2,3-trifluoro-3-(trifluoromethyl)oxirane, or difluoromethane