Chromium(III) hydroxide

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Chromium(III) hydroxide
CAS number 1308-14-1
PubChem 14787
RTECS number GB2670000
Jmol-3D images Image 1
Molecular formula Cr(OH)3
Molar mass 103.02 g/mol
Appearance green, gelatinous precipitate
Density 3.11 g/cm3
Solubility in water insoluble
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Infobox references

Chromium(III) hydroxide is an inorganic compound with the chemical formula Cr(OH)3. It is used as a pigment, as a mordant, and as a catalyst for organic reactions.[1]

It is manufactured by adding a solution of ammonium hydroxide to a solution of chromium salt.


  1. ^ Holleman, Arnold F.; Wiberg, Egon; Wiberg, Nils; (1985). "Chromium". Lehrbuch der Anorganischen Chemie (in German) (91–100 ed.). Walter de Gruyter. pp. 1081–1095. ISBN 3-11-007511-3.