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

Phase Equilibria of (1-Ethyl-3-methylimidazolium Ethylsulfate + Hydrocarbon, + Ketone, and + Ether) Binary Systems

Domanska, U.[Urszula], Laskowska, M.[Marta], Marciniak, A.[Andrzej]
J. Chem. Eng. Data 2008, 53, 2, 498-502
ABSTRACT
The mutual solubilities of [EMIM][EtSO4], namely, 1-ethyl-3-methylimidazolium ethylsulfate, with n-alkanes (hexane or octane), aromatic hydrocarbons (benzene, toluene, or ethylbenzene), ketones (pentan-2-one, pentan- 3-one, hexan-2-one, or heptan-4-one), ethers (dibutyl ether, tert-butyl-methyl ether, tert-butyl-ethyl ether, or tetrahydrofuran), and with dimethylsulfoxide, DMSO, have been measured at ambient pressure by a dynamic method from (250 to 420) K. The upper critical solution temperatures (UCSTs) were not observed for these systems, because they were at a temperature greater than420 K. The solubilities of [EMIM][EtSO4] in n-alkanes and aromatic hydrocarbons decrease with an increase of the molecular weight of the solvent. The experimental results have been correlated using the NRTL equation. The average root-mean square deviation of the equilibrium mole fraction for all the liquid-liquid equilibrium (LLE) data was 0.0033.
Compounds
# Formula Name
1 C6H14 hexane
2 C8H16N2O4S 1-ethyl-3-methylimidazolium ethyl sulfate
3 C8H18 octane
4 C6H6 benzene
5 C7H8 toluene
6 C8H10 ethylbenzene
7 C5H10O pentan-2-one
8 C5H10O pentan-3-one
9 C6H12O 2-hexanone
10 C7H14O 4-heptanone
11 C8H18O dibutyl ether
12 C5H12O 2-methoxy-2-methylpropane
13 C6H14O 2-ethoxy-2-methylpropane
14 C4H8O tetrahydrofuran
15 C2H6OS dimethyl sulfoxide
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
  • 15
  • Normal melting temperature, K ; Crystal
  • Crystal
  • Liquid
  • Air at 1 atmosphere
  • VISOBS:UFactor:12
  • 1
  • POMD
  • 1
  • 2
  • Liquid-liquid equilibrium temperature, K ; Liquid mixture 1
  • Mole fraction - 2; Liquid mixture 1
  • Pressure, kPa; Liquid mixture 1
  • Liquid mixture 1
  • Liquid mixture 2
  • VISOBS:UFactor:32
  • 5
  • POMD
  • 3
  • 2
  • Liquid-liquid equilibrium temperature, K ; Liquid mixture 1
  • Mole fraction - 2; Liquid mixture 1
  • Pressure, kPa; Liquid mixture 1
  • Liquid mixture 1
  • Liquid mixture 2
  • VISOBS:UFactor:32
  • 12
  • POMD
  • 4
  • 2
  • Liquid-liquid equilibrium temperature, K ; Liquid mixture 1
  • Mole fraction - 2; Liquid mixture 1
  • Pressure, kPa; Liquid mixture 1
  • Liquid mixture 1
  • Liquid mixture 2
  • VISOBS:UFactor:32
  • 10
  • POMD
  • 5
  • 2
  • Liquid-liquid equilibrium temperature, K ; Liquid mixture 1
  • Mole fraction - 2; Liquid mixture 1
  • Pressure, kPa; Liquid mixture 1
  • Liquid mixture 1
  • Liquid mixture 2
  • VISOBS:UFactor:32
  • 6
  • POMD
  • 6
  • 2
  • Liquid-liquid equilibrium temperature, K ; Liquid mixture 1
  • Mole fraction - 2; Liquid mixture 1
  • Pressure, kPa; Liquid mixture 1
  • Liquid mixture 1
  • Liquid mixture 2
  • VISOBS:UFactor:32
  • 10
  • POMD
  • 7
  • 2
  • Liquid-liquid equilibrium temperature, K ; Liquid mixture 1
  • Mole fraction - 2; Liquid mixture 1
  • Pressure, kPa; Liquid mixture 1
  • Liquid mixture 1
  • Liquid mixture 2
  • VISOBS:UFactor:32
  • 11
  • POMD
  • 8
  • 2
  • Liquid-liquid equilibrium temperature, K ; Liquid mixture 1
  • Mole fraction - 2; Liquid mixture 1
  • Pressure, kPa; Liquid mixture 1
  • Liquid mixture 1
  • Liquid mixture 2
  • VISOBS:UFactor:32
  • 14
  • POMD
  • 9
  • 2
  • Liquid-liquid equilibrium temperature, K ; Liquid mixture 1
  • Mole fraction - 2; Liquid mixture 1
  • Pressure, kPa; Liquid mixture 1
  • Liquid mixture 1
  • Liquid mixture 2
  • VISOBS:UFactor:32
  • 18
  • POMD
  • 10
  • 2
  • Liquid-liquid equilibrium temperature, K ; Liquid mixture 1
  • Mole fraction - 2; Liquid mixture 1
  • Pressure, kPa; Liquid mixture 1
  • Liquid mixture 1
  • Liquid mixture 2
  • VISOBS:UFactor:32
  • 15
  • POMD
  • 11
  • 2
  • Liquid-liquid equilibrium temperature, K ; Liquid mixture 1
  • Mole fraction - 2; Liquid mixture 1
  • Pressure, kPa; Liquid mixture 1
  • Liquid mixture 1
  • Liquid mixture 2
  • VISOBS:UFactor:32
  • 11
  • POMD
  • 11
  • 2
  • Liquid-liquid equilibrium temperature, K ; Liquid mixture 2
  • Mole fraction - 2; Liquid mixture 2
  • Pressure, kPa; Liquid mixture 2
  • Liquid mixture 2
  • Liquid mixture 1
  • VISOBS:UFactor:32
  • 2
  • POMD
  • 12
  • 2
  • Liquid-liquid equilibrium temperature, K ; Liquid mixture 1
  • Mole fraction - 2; Liquid mixture 1
  • Pressure, kPa; Liquid mixture 1
  • Liquid mixture 1
  • Liquid mixture 2
  • VISOBS:UFactor:32
  • 6
  • POMD
  • 13
  • 2
  • Liquid-liquid equilibrium temperature, K ; Liquid mixture 1
  • Mole fraction - 2; Liquid mixture 1
  • Pressure, kPa; Liquid mixture 1
  • Liquid mixture 1
  • Liquid mixture 2
  • VISOBS:UFactor:32
  • 8
  • POMD
  • 14
  • 2
  • Liquid-liquid equilibrium temperature, K ; Liquid mixture 1
  • Mole fraction - 2; Liquid mixture 1
  • Pressure, kPa; Liquid mixture 1
  • Liquid mixture 1
  • Liquid mixture 2
  • VISOBS:UFactor:32
  • 12
  • POMD
  • 14
  • 2
  • Liquid-liquid equilibrium temperature, K ; Liquid mixture 2
  • Mole fraction - 2; Liquid mixture 2
  • Pressure, kPa; Liquid mixture 2
  • Liquid mixture 2
  • Liquid mixture 1
  • VISOBS:UFactor:32
  • 1
  • POMD
  • 15
  • 2
  • Solid-liquid equilibrium temperature, K ; Liquid
  • Mole fraction - 2; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • Crystal - 15
  • VISOBS:UFactor:12
  • 24