International Journal of Thermophysics

, Volume 31, Issue 10, pp 1869–1879 | Cite as

Electrical Conductivity and Viscosity of 1-Hexyl-3-methylimidazolium Bis(trifluorosulfonyl)imide, [C6mim] [(CF3SO2)2N] (CAS-RN# 382150-50-7)

  • F. J. V. Santos
  • C. A. Nieto de Castro
  • P. J. F. Mota
  • A. P. C. Ribeiro


The electrical conductivity and viscosity of 1-hexyl-3-methylimidazolium bis(trifluorosulfonyl)imide, [C6mim] [(CF3SO2)2N], were measured at atmospheric pressure, between 270 K and 350 K, for samples with an amount of water not exceeding 200 ppm, as part of International Union of Pure and Applied Chemistry Project 2002-005-1-100. Water content was monitored before and after measurements, by coulometric Karl–Fisher titration. Special care was taken with ionic liquid manipulation in view of the measurement uncertainty budget. The uncertainties of the electrical conductivity measurements and of the viscosity measurements are estimated to be better than 2.0 % and 0.5 %, respectively. Results were compared with data from other authors, and all data were correlated as a function of temperature.


1-Hexyl-3-methylimidazolium bis(trifluorosulfonyl)imide Electrical conductivity Ionic liquids Transport properties Viscosity 


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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  • F. J. V. Santos
    • 1
  • C. A. Nieto de Castro
    • 1
  • P. J. F. Mota
    • 2
  • A. P. C. Ribeiro
    • 2
  1. 1.Centro de Ciências Moleculares e Materiais and Departamento de Química e BioquímicaFaculdade de Ciências da Universidade de LisboaLisboaPortugal
  2. 2.Centro de Ciências Moleculares e MateriaisFaculdade de Ciências da Universidade de LisboaLisboaPortugal

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