Antimonite

In chemistry, antimonite refers to a salt of antimony(III), such as NaSb(OH)4 and NaSbO2 (meta-antimonite), which can be prepared by reacting alkali with antimony trioxide, Sb2O3.[1] These are formally salts of antimonous acid,[2] Sb(OH)3, whose existence in solution is dubious. Attempts to isolate it generally form Sb2O3ยทxH2O, antimony(III) oxide hydrate, which slowly transforms into Sb2O3.[1]

This article is about the class of chemical salts. For the mineral, see stibnite.

In geology, the mineral stibnite, Sb2S3, is sometimes called antimonite.

Antimonites can be compared to antimonates, which contain antimony in the +5 oxidation state.

References
  1. Egon Wiberg, Arnold Frederick Holleman (2001) Inorganic Chemistry, Elsevier ISBN 0-12-352651-5
  2. Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Butterworth-Heinemann. ISBN 978-0-08-037941-8.
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