1-Alkyl-3-methylimidazolium alkanesulfonate ionic liquids, [CnH2n+1mim][CkH2k+1SO3]: synthesis and physicochemical properties

Literature Information

Publication Date 2009-08-19
DOI 10.1039/B910177M
Impact Factor 3.676
Authors

Małgorzata Swadźba-Kwaśny, Tayeb Belhocine, H. Q. Nimal Gunaratne, Margarida F. Costa Gomes, Agílio A. H. Pádua, Luís Paulo N. Rebelo


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Abstract

A set of 1-alkyl-3-methylimidazolium alkanesulfonate ionic liquids, [Cnmim][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 1H and 13C 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).

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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
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