ABSTRACT

Liquid-liquid equilibria for 1-butyl-3-methylimidazolium hexafluorophosphate ([BMIM][PF6]) or 1-butyl- 3-methylimidazolium tetrafluoroborate ([BMIM][BF4]) + 1-propanol, + 1-butanol, and + 1-pentanol in the temperature range of (293.92 to 364.88) K and the solubility of benzene, toluene, and thiophene in [BMIM][PF6] and [BMIM][BF4] in the temperature range of (298.15 to 343.15) K have been measured using the cloud point method. The liquid-liquid equilibrium data were correlated by the nonrandom twoliquid (NRTL) equation, and the root-mean-square deviations of the mole fractions for [BMIM][PF6] or [BMIM][BF4] + 1-propanol, 1-butanol, and 1-pentanol are shown as follow: 0.0041, 0.0065, 0.0043, 0.0065, 0.0053, and 0.0019, respectively. In addition, it is found that the solubility of benzene, toluene, and thiophene in the ionic liquids was independent of temperature.

Compounds

#	Formula	Name
1	C8H15F6N2P	1-butyl-3-methylimidazolium hexafluorophosphate
2	C3H8O	propan-1-ol
3	C4H10O	butan-1-ol
4	C5H12O	pentan-1-ol
5	C8H15BF4N2	1-butyl-3-methylimidazolium tetrafluoroborate

Datasets

The table above is generated from the ThermoML associated json file (link above). POMD and RXND refer to PureOrMixture and Reaction Datasets. The compound numbers are included in properties, variables, and phases, if specificied; the numbers refer to the table of compounds on the left.
Type	Compound-#	Property	Variable	Constraint	Phase	Method	#Points
POMD	1	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid		Liquid Air at 1 atmosphere	Vibrating tube method	5
POMD	5	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid		Liquid Air at 1 atmosphere	Vibrating tube method	7
POMD	2 1	Liquid-liquid equilibrium temperature, K ; Liquid mixture 1	Mole fraction - 1; Liquid mixture 1	Pressure, kPa; Liquid mixture 1	Liquid mixture 1 Liquid mixture 2	VISOBS:UFactor:8	21
POMD	3 1	Liquid-liquid equilibrium temperature, K ; Liquid mixture 1	Mole fraction - 1; Liquid mixture 1	Pressure, kPa; Liquid mixture 1	Liquid mixture 1 Liquid mixture 2	VISOBS:UFactor:8	21
POMD	4 1	Liquid-liquid equilibrium temperature, K ; Liquid mixture 1	Mole fraction - 1; Liquid mixture 1	Pressure, kPa; Liquid mixture 1	Liquid mixture 1 Liquid mixture 2	VISOBS:UFactor:8	11
POMD	2 5	Liquid-liquid equilibrium temperature, K ; Liquid mixture 1	Mole fraction - 5; Liquid mixture 1	Pressure, kPa; Liquid mixture 1	Liquid mixture 1 Liquid mixture 2	VISOBS:UFactor:4	19
POMD	3 5	Liquid-liquid equilibrium temperature, K ; Liquid mixture 1	Mole fraction - 5; Liquid mixture 1	Pressure, kPa; Liquid mixture 1	Liquid mixture 1 Liquid mixture 2	VISOBS:UFactor:4	25
POMD	4 5	Liquid-liquid equilibrium temperature, K ; Liquid mixture 1	Mole fraction - 5; Liquid mixture 1	Pressure, kPa; Liquid mixture 1	Liquid mixture 1 Liquid mixture 2	VISOBS:UFactor:4	19

Thermodynamics Research Center / ThermoML | Journal of Chemical and Engineering Data

Solubility of Alcohols and Aromatic Compounds in Imidazolium-Based Ionic Liquids

Huo, Y.[Yan], Xia, S.[Shuqian], Ma, P.[Peisheng]

ABSTRACT