Cobaltous iodide
Agent Name
Cobaltous iodide
CAS Number
15238-00-3
Formula
Co-I2
Major Category
Metals
Synonyms
Cobalt diiodide; Cobalt iodide (CoI2); [ChemIDplus] Cobalt (II) iodide; [Alfa Aesar MSDS]
Category
Metals, Inorganic Compounds
Description
alpha-Form: Black graphite-like solid; Highly hygroscopic turning blackish-green in air; beta-Form: Highly hygroscopic ochre-yellow solid; Deliquescent in moist air forming green droplets; [Merck Index] Black hygroscopic beads; [Alfa Aesar MSDS]
Sources/Uses
Used as a humidity indicator and catalyst; [Merck Index]
Comments
An irritant; May cause skin sensitization; Suspected mutagen; [Alfa Aesar MSDS] See "Cobaltous chloride." See "Iodine" for the TLV of Iodides.
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 [0.01 ppm, inhalable fraction and vapor (iodides)]
Adverse Effects
Skin Sensitizer
Yes
Diseases, Processes, and Activities Linked to This Agent
Diseases
Occupational diseases associated with exposure to this agent: