Agent Name

Aluminum ammonium sulfate

Alternative Name

Ammonium alum

CAS Number

7784-25-0

Formula

Al.H3-N.2H2-O4-S

Major Category

Metals

Synonyms

Alum, ammonium anhydrous; Alum ammonium; Aluminum ammonium alum; Aluminum ammonium bis(sulfate); Aluminum ammonium disulfate (Al(NH4)(SO4)2); Aluminum sulfate compd. With ammonium sulfate (1:1); Ammonium alum; Ammonium aluminum alum; Ammonium aluminum sulfate; Burnt ammonium alum; Curb; Exsiccated ammonium alum; Monoammonium monoaluminum sulfate; Sulfuric acid, aluminum ammonium salt (2:1:1); [ChemIDplus]

Category

Metals, Inorganic Compounds

Description

Colorless or white odorless solid; [HSDB] White crystalline solid; Soluble in water; [MSDSonline]

Sources/Uses

Used in baking powders and dyes and to make pigment, lakes, artificial gems, vegetable glue, marble and porcelain cements, and paper; Also used for fireproofing, tanning, copper plating, and as an astringent and styptic; [Merck Index] Used in dyeing (mordant), water and sewage purification (clarifying agent), paper sizing, leather tanning, and fur treatment; (Uses for the dodecahydrate); [Hawley]

Comments

May cause eye irritation; [HSDB] No gross malformations of chick embryos after injection into eggs on the fourth day; No other data on reproductive effects found; See aluminum. [REPROTOX] An irritant; [MSDSonline] See "Aluminum potassium sulfate dodecahydrate." See "Aluminum."

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