Agent Name

Aluminum sulfate

CAS Number

10043-01-3

Formula

Al.3/2H2-O4-S

Major Category

Metals

Synonyms

Alum; Aluminium sulphate; Aluminum alum; Aluminum alum (VAN); Aluminum sesquisulfate; Aluminum sulfate (2:3); Aluminum sulfate (Al2(SO4)3); Aluminum sulphate; Aluminum trisulfate; Aluminum(III) silfate; Cake alum; Cake alum (VAN); Dialuminum sulfate; Dialuminum sulphate; Dialuminum trisulfate; Filter Alum; Hi Soft C 2; Nalco 7530; Papermaker's Alum; Pearl Alum; Pickle Alum; Sulfatodialuminum disulfate (Al2(SO4)3); Sulfuric acid, aluminum salt (3:2); Sulfuric acid, aluminum(3+) salt (3:2); Tai-Ace S 100; Tai-Ace S 150; [ChemIDplus]

Category

Metals, Inorganic Compounds

Description

White solid; [Merck Index] Hygroscopic; [CHEMINFO] White powder; [MSDSonline]

Sources/Uses

Used for tanning leather, sizing paper, dyeing textiles (mordant), purifying water, treating sewage, manufacturing (lakes, aluminum resinate, aluminum salts, soaps, cosmetics), fireproofing and waterproofing cloth, clarifying oils and fats, waterproofing concrete, controlling pH of soil, and deodorizing/decolorizing petroleum; Also used in antiperspirants, agricultural pesticides, lubricants, food additives, and catalysts to make ethane; [HSDB]

Comments

A skin, eye, and respiratory tract irritant; [ICSC] The octadecahydrate is CAS # 7784-31-8; Aluminum sulfate anhydrous is a severe eye irritant in animal studies; [CHEMINFO] An irritant; May cause serious eye injury; [MSDSonline] See "Aluminum potassium sulfate dodecahydrate." See "Aluminum."

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