Cobaltous sulfide
Agent Name
Cobaltous sulfide
CAS Number
1317-42-6
Formula
Co-S
Major Category
Metals
Synonyms
Cobalt monosulfide; Cobalt sulfide; Cobalt sulfide (amorphous); Cobalt(2+) sulfide; Cobalt(II) sulfide; Sycoporite; [ChemIDplus]
Category
Metals, Inorganic Compounds
Description
Exists in two forms; Alpha is black solid; Beta is grey or reddish-silver solid; [Merck Index] Insoluble in water; [MSDSonline]
Sources/Uses
Used as a catalyst; [Merck Index]
Comments
May cause skin sensitization and asthma after prolonged contact; [ICSC] See "Cobalt."
Biomedical References
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
Adverse Effects
Skin Sensitizer
Yes
Asthma
Yes
IARC Carcinogen
Not classifiable
Diseases, Processes, and Activities Linked to This Agent
Diseases
Occupational diseases associated with exposure to this agent: