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13455-25-9

Name COBALT(II) CHROMATE
CAS 13455-25-9
EINECS(EC#) 236-651-4
Molecular Formula CoCrO4
MDL Number MFCD00053962
Molecular Weight 174.93
MOL File 13455-25-9.mol

Chemical Properties

Appearance Brown or yellowish-brown powder. Variable composition. (Pure cobaltous chromate is CoCrO 4, gray-black crystals.) Soluble in mineral acids and solutions of chromium trioxide; insoluble in water.
solubility  Soluble in alkali and ammomium hydroxide
form  Lumps
color  blue-green cubic crystals, crystalline
Exposure limits ACGIH: TWA 0.02 mg/m3
OSHA: Ceiling 0.1 mg/m3
NIOSH: IDLH 15 mg/m3; TWA 0.0002 mg/m3
Uses
Ceramics (tinting).
EPA Substance Registry System Chromic acid (H2CrO4), cobalt(2+) salt (1:1) (13455-25-9)

Safety Data

Risk Statements 
Safety Statements 
RIDADR  UN3087
TSCA  Yes
HazardClass  5.1
PackingGroup  III

Hazard Information

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