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).
ASJC Scopus subject areas
- Physical and Theoretical Chemistry
- Physics and Astronomy(all)
Blesic, M., Swadzba-Kwasny, M., Belhocine, T., Gunaratne, N., Lopes, J. N. C., Gomes, A., Padua, A. A. H., & Seddon, K. (2009). 1-Alkyl-3-methylimidazolium alkanesulfonate ionic liquids, [C(n)H(2n+1)mim][CkH2k+1SO3]: synthesis and physicochemical properties. Physical Chemistry Chemical Physics, 11(39), 8939-8948. https://doi.org/10.1039/b910177m