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."

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

Links to Other NLM Databases
Toxicity Information

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Chemical Information

Search ChemIDplus

Related Information in HazMap
Processes

Industrial Processes with risk of exposure: