Solubilities of 1-Methyl-3-(3-sulfopropyl)-imidazolium Hydrogen Sulfate in Selected Solvents

Add time:08/27/2019    Source:sciencedirect.com

Ionic liquid 1-methyl-3-(3-sulfopropyl)-imidazolium hydrogen sulfate ([C3SO3HMIM][HSO4]) was synthesized and characterized by infrared spectroscopy (IR), nuclear magnetic resonance (1H and 13C NMR) and ultraviolet-visible (UV-Vis) spectra. Its thermal stability was also examined by thermogravimetric analysis (TGA) and a differential scanning calorimeter (DSC). The mole fraction solubilities of [C3SO3HMIM][HSO4]) in 12 selected solvents (n-pentane, n-hexane, n-heptane, benzene, toluene, ethylbenzene, acetone, 2-butanone, 3-methyl-2-butanone, tetrahydrofuran, ethyl acetate and dichloromethane) in the temperature range from 289.15 to 363.15 K were measured using a static analytical method and correlated with an empirical equation.

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