The densities and viscosities for the binary systems of ionic liquid 1-butyl-3-methylimidazolium tetrafluoroborate, [Bmim][BF4], with the molecular solvents: dimethylsulfoxide (DMSO) and ethylene glycol (EG), were measured over the whole concentration range in the temperature range from (293.15 to 353.15) K by using an Anton Paar DMA 4500 densimeter and an Anton Paar AMVn measuring assembly, respectively. The temperature dependence of density and dynamic viscosity both for pure [Bmim][BF4] and its binary mixtures can be described by an empirical linear equation and by the Vogel-Fucher-Tammann (VFT) equation, respectively. The excess molar volumes, VE, were calculated by using the measured experimental data and fitted to a Redlich-Kister equation. These values are negative for the [Bmim][BF4] + DMSO system and positive for the [Bmim][BF4] + EG system over the whole composition range at investigated temperatures. The VE results have been analyzed using the Prigogine-Flory-Patterson (PFP) theory, which can explain the volumetric behavior of the investigated binary mixtures.
Compounds
#
Formula
Name
1
C8H15BF4N2
1-butyl-3-methylimidazolium tetrafluoroborate
2
C2H6O2
1,2-ethanediol
3
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.