Agent Name

Calcium hydride

CAS Number

7789-78-8

Formula

Ca-H2

Major Category

Metals

Synonyms

Calcium dihydride; [ChemIDplus] UN1404

Category

Metal Hydrides

Description

Solid; Commercial product is grey; [Merck Index] Greyish solid; [CAMEO] Light grey odorless powder; [Alfa Aesar MSDS]

Sources/Uses

Used to prepare rare metals (reduction of metal oxides) and to generate hydrogen; Also used as a drying agent and in organic syntheses; [Merck Index]

Comments

Decomposed by water evolving hydrogen; [Merck Index] Reacts violently or is ignited by air; Reacts exothermically with water producing hydrogen and calcium hydroxide; A skin and eye irritant; [CAMEO] Releases flammable gases on contact with water; May cause irritation; [Alfa Aesar MSDS] See "Sodium hydride." See "Calcium hydroxide."

Adverse Effects
Dermatotoxin

Skin Burns

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: