Alkyltributylphosphonium chloride ionic liquids: synthesis, physicochemical properties and crystal structure

Gabriela Adamová, Ramesh L. Gardas, Mark Nieuwenhuyzen, Alberto V. Puga, Luís Paulo N. Rebelo, Allan J. Robertson, Kenneth R. Seddon

Research output: Contribution to journalArticlepeer-review

Abstract

A series of alkyltributylphosphonium chloride ionic liquids, prepared from tributylphosphine and the respective 1-chloroalkane, CnH2n+1Cl (where n = 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12 or 14), is reported. This work is a continuation of an extended series of tetraalkylphosphonium ionic liquids, where the focus is on the variability of n and its impact on the physical properties, such as melting points/glass transitions, thermal stability, density and viscosity. Experimental density and viscosity data were interpreted using QPSR and group contribution methods and the crystal structure of propyl(tributyl)phosphonium chloride is detailed.

Original languageEnglish
Pages (from-to)83168316-83328332
Number of pages160017
JournalJournal of the Chemical Society. Dalton Transactions
Volume4141
Issue number2727
DOIs
Publication statusPublished - 19 Jun 2012

Keywords

  • Ionic liquids
  • Binary mixtures
  • Pure ionic

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