Mixture of n-Hexane + Octadecafluorooctane

Datasets

1. Excess molar enthalpy (molar enthalpy
2. Liquid-liquid equilibrium temperature, K (2)
3. P_vap - Vapor or sublimation pressure, kPa

Excess molar enthalpy (molar enthalpy of mixing), kJ/mol [ref]

Operational conditions:

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

Mole fraction of Octadecafluorooctane (2) - Liquid	Excess molar enthalpy (molar enthalpy of mixing), kJ/mol - Liquid
0.0000	0.0000
0.0500	0.7640
0.1000	1.268
0.1500	1.584
0.2000	1.767
0.2500	1.862
0.3000	1.902
0.3500	1.909
0.4000	1.897
0.4500	1.875
0.5000	1.843
0.5500	1.799
0.6000	1.737
0.6500	1.65
0.7000	1.53
0.7500	1.37
0.8000	1.167
0.8500	0.9200
0.9000	0.6340
0.9500	0.3210
1.0000	0.0000

Liquid-liquid equilibrium temperature, K [ref]

Operational condition: Pressure, kPa = 101 (Liquid mixture 1)

Mole fraction of Octadecafluorooctane (2) - Liquid mixture 1	Liquid-liquid equilibrium temperature, K - Liquid mixture 1
0.0806	293.98
0.1222	306.36
0.1683	308.95
0.2518	310.83
0.2997	310.81
0.3470	310.71
0.3959	310.65
0.4425	309.61
0.4891	308.49
0.5440	305.74
0.6000	303.05
0.6657	296.93
0.6924	293.89

Liquid-liquid equilibrium temperature, K [ref]

Operational condition: Pressure, kPa = 101.3 (Liquid mixture 1)

Mole fraction of Octadecafluorooctane (2) - Liquid mixture 1	Liquid-liquid equilibrium temperature, K - Liquid mixture 1
0.0378	284.50
0.0555	293.00
0.0833	301.70
0.1347	310.00
0.2589	314.00
0.3666	313.70
0.4671	309.80
0.5669	301.60
0.6953	287.50
0.7754	274.00
0.8694	259.50

Vapor or sublimation pressure, kPa [ref]

Fixed		Measured
Mole fraction of Octadecafluorooctane (2) - Liquid mixture 1	Temperature, K - Liquid mixture 1	Vapor or sublimation pressure, kPa - Liquid mixture 1
0.2552	310.53	130.00
0.2552	310.98	710.00
0.2552	311.58	1480.00
0.2552	312.08	2180.00
0.2552	312.59	2880.00
0.2552	313.31	3780.00
0.2552	314.12	4950.00
0.2644	311.72	1430.00
0.2644	312.52	2450.00
0.2644	313.29	3400.00
0.2644	314.02	4420.00
0.2644	314.81	5450.00
0.2644	322.99	16700.00
0.2644	332.97	31000.00
0.2644	342.95	46500.00
0.2644	353.00	62800.00
0.2644	363.07	80200.00
0.2644	373.16	98000.00
0.2644	383.43	118500.00
0.2644	394.15	143000.00
0.2678	310.89	530.00
0.2678	311.13	850.00
0.2678	311.41	1230.00
0.2678	311.80	1740.00
0.2678	312.42	2570.00
0.2678	313.24	3600.00

Sources

• Liquid liquid equilibrium of (perfluoroalkane + alkane) binary mixtures
• Thermodynamic study of (perfluoroalkane + alkane) mixtures: Excess and solvation enthalpies
• Phase Separation in Binary Mixtures Containing Linear Perfluoroalkanes

Note: These property values are available through the Cheméo API. A free account gives you an access key.