1-Alkyl-3-methylimidazolium alkanesulfonate ionic liquids, [C(n)H(2n+1)mim][CkH2k+1SO3]: synthesis and physicochemical properties

Marijana Blesic, Malgorzata Swadzba-Kwasny, Tayeb Belhocine, Nimal Gunaratne, J.N.C. Lopes, Andres Gomes, A.A.H. Padua, Kenneth Seddon

Research output: Contribution to journalArticle

60 Citations (Scopus)

Abstract

A set of 1-alkyl-3-methylimidazolium alkanesulfonate ionic liquids, [C(n)mim][CkSO3], formed by the variation of the alkyl chain lengths both in the cation and the anion (n = 1-6, 8, or 10; k = 1-4, or 6), was synthesised, with sixteen of them being novel. The ionic liquids were characterised by H-1 and C-13 NMR spectroscopy, and mass spectrometry. Their viscosities and densities as a function of temperature, as well as melting points and decomposition temperatures, were determined. The molecular volumes, both experimental and calculated, were found to depend linearly on the sum (n + k).
Original languageEnglish
Pages (from-to)8939-8948
Number of pages10
JournalPhysical Chemistry Chemical Physics
Volume11
Issue number39
DOIs
Publication statusPublished - 2009

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Physics and Astronomy(all)

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