Magnetic ionic liquid

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.^[1]

Additional recommended knowledge

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Daily Sensitivity Test

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.

References

1. ^ Satoshi Hayashi; Hiro-o Hamaguchi (2004). "Discovery of a Magnetic Ionic Liquid [bmim]FeCl₄". Chemistry Letters 33: 1590-1591. doi:10.1002/chin.200518200.