Magnetic ionic liquid

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A magnetic ionic liquid was identified by Satoshi Hayashi and Hiro-o Hamaguchi of the University of Tokyo in 2004 as an ionic liquid based on the imidazole 1-butyl-3-methylimidazolium chloride and ferric chloride. Due to the presence of high spin FeCl4−, the liquid is paramagnetic and a magnetic susceptibility of 40.6 × 10−6 emu g-1 is reported. A simple magnet suffices to attract the liquid in a test tube.

[edit] Reference

"Discovery of a Magnetic Ionic Liquid [bmim]FeCl4," Satoshi Hayashi, Hiro-o Hamaguchi, Chemistry Letters, Vol. 33 (2004) 1590-1591.

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