Molybdenum disilicide
Agent Name
Molybdenum disilicide
CAS Number
12136-78-6
Formula
Mo-Si2
Major Category
Metals
Synonyms
MS; MS (silicide); Molybdenum silicide; Molybdenum silicide (MoSi2); [ChemIDplus]
Category
Metals, Inorganic Compounds
Description
Dark gray crystalline powder; Available as cylinders, lumps, granules, powder, or whiskers; [Hawley] Dark grey odorless powder; Insoluble in water; [MSDSonline]
Sources/Uses
Used in electrical resistors and high-temperature protective coatings, e.g., engine parts in space vehicles; [Hawley]
Comments
May cause irritation; [MSDSonline] See "Molybdenum." See "Calcium disilicide."
Biomedical References
Exposure Assessment
TLV (ACGIH)
0.5 mg/m3, as Mo, respirable fraction
PEL (OSHA)
5 mg/m3, as Mo
IDLH (NIOSH)
1000 mg/m3, as Mo
Diseases, Processes, and Activities Linked to This Agent
Processes
Industrial Processes with risk of exposure: