Agent Name

Aluminum sodium sulfate

Alternative Name

Sodium alum, anhydrous

CAS Number

10102-71-3

Formula

Al.2H2-O4-S.Na

Major Category

Metals

Synonyms

Sodium alum, anhydrous; Aluminum sodium sulfate (AlNa(SO4)2); Aluminum sodium sulfate, NaAl(SO4)2; Soda alum; Sodium alum; Sodium aluminum sulfate; Sodium aluminum sulfate (NaAl(SO4)2); Sulfuric acid, aluminum sodium salt (2:1:1); [ChemIDplus]

Category

Metals, Inorganic Compounds

Description

Dodecahydrate: Colorless solid; Effloresces in air; [Hawley] White odorless powder; Soluble in water; [MSDSonline]

Sources/Uses

Used in textiles (mordant and waterproofing), ceramics, tanning, matches, and inks; Also used in paper sizing (precipitant), sugar refining, water purification, food additives, engraving, and veterinary medications (dusting powder on wounds, astringent, hemostatic agent, and oral treatment of laminitis in horses); [HSDB]

Comments

May cause eye irritation; [HSDB] May cause irritation; [MSDSonline] The dodecahydrate is CAS # 7784-28-3 (sodium alum); See "Aluminum potassium sulfate dodecahydrate." See "Aluminum."

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