Agent Name

Cobaltic oxide

CAS Number

1308-04-9

Formula

Co2-O3

Major Category

Metals

Synonyms

C.I. 77323; Cobalt peroxide; Cobalt sesqioxide; Cobalt sesquioxide; Cobalt trioxide; Cobalt(3+) oxide; Dicobalt oxide; Dicobalt trioxide; Cobalt(III) oxide; [ChemIDplus]

Category

Metals, Inorganic Compounds

Description

Steel-gray or black solid; [Hawley]

Sources/Uses

Used as a pigment in enamels and glazes; [Hawley]

Comments

May cause skin sensitization and asthma after prolonged contact; [ICSC] Harmful if swallowed; May cause skin sensitization; [MSDSonline] See "Cobalt."

Exposure Assessment
BEI

Cobalt in urine = 15 ug/L; sample at end of shift at end of workweek;

TLV (ACGIH)

0.02 mg/m3, as Co

Explanatory Notes

mp = 1900 deg C; [MSDSonline]

Adverse Effects
Skin Sensitizer

Yes

Asthma

Yes

IARC Carcinogen

Possible Carcinogen

Links to Other NLM Databases
Toxicity Information

Search TOXNET

Chemical Information

Search ChemIDplus

Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent:

Activities

Activities with risk of exposure: