Vapor pressure measurement and correlation of acetonitrile +1-butyl-3-methylimidazolium chloride, +1-butyl-3-methylimidazolium tetrafluoroborate, and +1-hexyl-3-methylimidazolium chloride

Qing Yang; Kexia Chen; Changchun He; Changjun Peng; Honglai Liu

doi:10.1016/j.cjche.2014.11.008

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Vapor pressure measurement and correlation of acetonitrile +1-butyl-3-methylimidazolium chloride, +1-butyl-3-methylimidazolium tetrafluoroborate, and +1-hexyl-3-methylimidazolium chloride

化工热力学 | Updated：2026-01-06

- Vapor pressure measurement and correlation of acetonitrile +1-butyl-3-methylimidazolium chloride, +1-butyl-3-methylimidazolium tetrafluoroborate, and +1-hexyl-3-methylimidazolium chloride
- Chinese Journal of Chemical Engineering Vol. 23, Issue 2, Pages: 412-416(2015)
- Affiliations：
  
  State Key Laboratory of Chemical Engineering and Department of Chemistry, East China University of Science and Technology,Shanghai,China,200237
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2014.11.008
  CLC：
- Published：2015
- Accepted：
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Qing Yang, Kexia Chen, Changchun He, Changjun Peng, Honglai Liu. Vapor pressure measurement and correlation of acetonitrile +1-butyl-3-methylimidazolium chloride, +1-butyl-3-methylimidazolium tetrafluoroborate, and +1-hexyl-3-methylimidazolium chloride[J]. , 2015, 23(2): 412-416.
DOI：

Qing Yang, Kexia Chen, Changchun He, Changjun Peng, Honglai Liu. Vapor pressure measurement and correlation of acetonitrile +1-butyl-3-methylimidazolium chloride, +1-butyl-3-methylimidazolium tetrafluoroborate, and +1-hexyl-3-methylimidazolium chloride[J]. , 2015, 23(2): 412-416. DOI： 10.1016/j.cjche.2014.11.008.

摘要

Abstract

Vapor pressures were measured for acetonitrile +1-butyl-3-methylimidazolium chloride ([C

mim

]

[Cl

]

)

+1-butyl-3-methylimidazolium tetrafluoroborate ([C

mim

]

[BF

]

) and +1-hexyl-3-methylimidazolium chloride ([C

mim

]

[Cl

]

) at temperatures of 313 to 353 K by a quasi-staticmethod. The experimental data for the binary systemswere correlated by the non-randomtwo liquid (NRTL) equationwith an average absolute relative deviation (AARD) of within 1.84%. The results indicate that the three ionic liquids (ILs) can result in a negative deviation from the Raoult's law for the binary solutions containing acetonitrile

and the affinity between ILs and acetonitrile molecules follows the order [C

mim

]

[BF

]

+acetonitrile [C

mim

]

[Cl

]

+acetonitrile [C

mim

]

[Cl

]

+acetonitrile.

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