Antimonite

In chemistry, an antimonite refers to salts of antimony(III), such as NaSb(OH)₄ and NaSbO₂ (metaantimonite) which can be prepared by reacting alkali with antimony trioxide, Sb₂O₃.^[1] These are formally salts of antimonous acid (antimonious acid^[2]), "hc(OH)₃" whose existence in solution is dubious, and attempts to isolate it generally form Sb₂O₃·xH₂O, antimony(III) oxide hydrate, which slowly transforms into Sb₂O₃.^[1]

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

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

References

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

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[Wiberg&Holleman-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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