Agent Name

Magnesium sulfite

CAS Number

7757-88-2

Formula

H2-O3-S.Mg

Major Category

Other Classes

Synonyms

Magnesium sulphite; Sulfurous acid, magnesium salt (1:1); [ChemIDplus]

Category

Sulfites

Description

Hexahydrate: Colorless or white solid; [Merck Index] Solid; [ToxPlanet: ECHA REACH Registrations]

Sources/Uses

Used to make paper pulp (as solution in sulfurous acid); [Merck Index]

Comments

Exists as the tri- and hexahydrate; Slowly oxidized by air to the sulfate; [Merck Index] See "SULFITES."

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: