Chromium(III) hydroxide

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Chromium(III) hydroxide
Hidróxido de cromo(III).png
Names
IUPAC name
Chromium(3+) hydroxide
Identifiers
1308-14-1
Jmol 3D model Interactive image
PubChem 14787
RTECS number GB2670000
Properties
Cr(OH)3
Molar mass 103.02 g/mol
Appearance green, gelatinous precipitate
Density 3.11 g/cm3
soluble
Hazards
US health exposure limits (NIOSH):
PEL (Permissible)
TWA 1 mg/m3[1]
REL (Recommended)
TWA 0.5 mg/m3[1]
IDLH (Immediate danger)
250 mg/m3[1]
Except where otherwise noted, 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.[2]

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

References[edit]

  1. ^ a b c "NIOSH Pocket Guide to Chemical Hazards #0141". National Institute for Occupational Safety and Health (NIOSH). 
  2. ^ 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.