Cobalt oxide
[CAS 1308-04-9]

Identification

• Classification: Inorganic chemical industry >> Inorganic salt >> Oxides and peroxides >> Metal oxide
• Name: Cobalt oxide
• Synonyms: C.I. 77323; Cobalt peroxide; Cobalt sesquioxide; Cobalt trioxide; Cobalt(3+) oxide; Cobalt(III) oxide; Cobaltic oxide; Dicobalt oxide; Dicobalt trioxide
• Molecular Formula: Co₂O₃
• Molecular Weight: 165.86
• CAS Registry Number: 1308-04-9
• EC Number: 215-156-7

Properties

• Density: 5.2
• Melting point: 900 °C

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Skin sensitization	Skin Sens.	1	H317
Acute toxicity	Acute Tox.	4	H302
Carcinogenicity	Carc.	2	H351
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410