1-butyl-3-methylimidazolium_tetrachloroferrate

1-Butyl-3-methylimidazolium tetrachloroferrate

1-Butyl-3-methylimidazolium tetrachloroferrate

Magnetic liquid

1-Butyl-3-methylimidazolium tetrachloroferrate is a magnetic ionic liquid. It can be obtained from 1-butyl-3-methylimidazolium chloride and ferric chloride. It has quite low water solubility.[1][2]

Quick Facts Identifiers, Properties ...

Due to the presence of the high spin FeCl4 anion, the liquid is paramagnetic and a magnetic susceptibility of 40.6 × 10−6 emu g−1 is reported. A simple small neodymium magnet suffices to attract the liquid in a test tube.

References

  1. [1]
    Satoshi Hayashi; Hiro-o Hamaguchi (2004). "Discovery of a Magnetic Ionic Liquid [bmim]FeCl4". Chemistry Letters. 33 (18): 1590–1591. doi:10.1246/cl.2004.1590.
  2. [2]
    Satoshi Hayashi; Satyen Saha; Hiro-o Hamaguchi (2006). "A new class of magnetic fluids: bmim[FeCl4] and nbmim[FeCl4] ionic liquids". IEEE Transactions on Magnetics. 42 (1): 12–14. Bibcode:2006ITM....42...12H. doi:10.1109/TMAG.2005.854875. S2CID 42347833.


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