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Liquid−Liquid Phase Behavior of Solutions of 1-Octyl- and 1-Decyl-3-methylimidazolium Bis(trifluoromethylsulfonyl)imide (C8,10mimNTf2) in n-Alkyl Alcohols

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    Liquid−Liquid Phase Behavior of Solutions of 1-Octyl- and 1-Decyl-3-methylimidazolium Bis(trifluoromethylsulfonyl)imide (C8,10mimNTf2) in n-Alkyl Alcohols†
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    Universität Bremen, Technische Thermodynamik, Badgasteiner Str. 1, 28359 Bremen, Germany, and Universität Bremen, FB2, Institut für Anorganische und Physikalische Chemie, Leobener Str. NWII, 28359 Bremen, Germany
    †Part of the “Josef M. G. Barthel Festschrift”.
    * To whom correspondence should be addressed. Tel.: +49 421 218 3334. Fax: +49 421 218 7555. E-mail: [email protected]
    ‡Technische Thermodynamik.
    §Institut für Anorganische und Physikalische Chemie.
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    Journal of Chemical & Engineering Data

    Cite this: J. Chem. Eng. Data 2010, 55, 5, 2030–2038
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    https://doi.org/10.1021/je900988a
    Published March 11, 2010
    Copyright © 2010 American Chemical Society
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    Abstract

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    Systematic measurements of liquid−liquid phase diagrams of binary mixtures of the ionic liquids 1-octyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide (C8mimNTf2) and 1-decyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide (C10mimNTf2) with n-alkyl alcohols (1-octanol, 1-nonanol, 1-decanol, 1-undecanol, 1-dodecanol, 1-tetradecanol, 1-hexadecanol, 1-octadecanol, and 1-eicosanol) were performed. The phase diagrams were obtained at atmospheric pressure in the temperature range (283 to 423) K applying the cloud-point method on a set of samples. With the assumption of Ising criticality, analysis of the shapes of the phase diagrams yielded data on the critical points and the parameters characterizing the width and the asymmetry of the coexistence curves.

    Copyright © 2010 American Chemical Society

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    Journal of Chemical & Engineering Data

    Cite this: J. Chem. Eng. Data 2010, 55, 5, 2030–2038
    Click to copy citationCitation copied!
    https://doi.org/10.1021/je900988a
    Published March 11, 2010
    Copyright © 2010 American Chemical Society
    Request reuse permissions

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