Agent Name

Calcium disilicide

CAS Number

12013-56-8

Formula

Ca-Si2

Major Category

Metals

Synonyms

Calcium silicide; Calcium silicon (CaSi2); [ChemIDplus] Silicio de calcio (Spanish DOT); Silico-calcium (French DOT); [CAMEO] Calciumsilicid; [IUCLID] UN1405; UN1406

Category

Metals, Inorganic Compounds

Description

Solid; [IUCLID] Grey to black or brown solid with a repulsive odor; [NJ-HSFS] Grey crystalline powder; [Alfa Aesar MSDS]

Sources/Uses

Used to make special alloys, in pyrotechnics, and as a deoxidizer; [NJ-HSFS]

Comments

May react vigorously or explosively with water evolving flammable gases; [ERG 2016] A reducing agent; Reacts with water evolving hydrogen; May ignite spontaneously on exposure to air; [CAMEO] A mild skin irritant; Not a skin sensitizer in an open epicutaneous test; Dust may cause mechanical eye irritation; [IUCLID] Produces extremely flammable gases on contact with water; May cause irritation; [Alfa Aesar MSDS] See "Calcium silicide."

Links to Other NLM Databases
Toxicity Information

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Chemical Information

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Related Information in HazMap
Processes

Industrial Processes with risk of exposure: