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Issue 8, 2016
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Thermally stable bis(trifluoromethylsulfonyl)imide salts and their mixtures

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Abstract

We show that both tetraphenylphosphonium bis(trifluoromethylsulfonyl)imide ([PPh4][NTf2]) and Cs[NTf2] are low melting salts of exceptionally high and also very similar thermal stability. This similarity indicates that the thermal stability is dominated by the anion. Moreover, eutectic mixtures of [PPh4][NTf2] and Cs[NTf2] with melting points below 100 °C are presented. Surface analysis of the latter in the liquid state reveals a surprising depletion of [PPh4]+ ions from the surface.

Graphical abstract: Thermally stable bis(trifluoromethylsulfonyl)imide salts and their mixtures

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Publication details

The article was received on 22 Feb 2016, accepted on 13 Jun 2016 and first published on 14 Jun 2016


Article type: Paper
DOI: 10.1039/C6NJ00579A
Citation: New J. Chem., 2016,40, 7157-7161
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    Thermally stable bis(trifluoromethylsulfonyl)imide salts and their mixtures

    M. Scheuermeyer, M. Kusche, F. Agel, P. Schreiber, F. Maier, H. Steinrück, J. H. Davis, F. Heym, A. Jess and P. Wasserscheid, New J. Chem., 2016, 40, 7157
    DOI: 10.1039/C6NJ00579A

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