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

Abstract

Abstract: 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.

Key words: Brφnsted acidic ionic liquid, solubility, organic solvent, static analytical method

摘要： 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.

关键词: Brφnsted acidic ionic liquid, solubility, organic solvent, static analytical method

CAI Shuangfei, WANG Lisheng, YAN Guoqing, LI Yi. Solubilities of 1-Methyl-3-(3-sulfopropyl)-imidazolium Hydrogen Sulfate in Selected Solvents[J]. , 2010, 18(6): 1008-1012.

蔡双飞, 王利生, 闫国庆, 李毅. Solubilities of 1-Methyl-3-(3-sulfopropyl)-imidazolium Hydrogen Sulfate in Selected Solvents[J]. , 2010, 18(6): 1008-1012.

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