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Aluminum chloride hexahydrate (AlCl3•6H2O)-Crystalline

  • 7784-13-6
  • AlCl3•6H2O
  • 1317080100CA
  • ≥99%
  • 231-208-1

Aluminium chloride (AlCl3), also known as aluminium trichloride, is the main compound of aluminium and chlorine. It is white, but samples are often contaminated with iron(III) chloride, giving it a yellow color. 

Chemical formula:AlCl3•6H2O

Molar mass:241.432 g/mol 

Appearance:white or pale yellow solid, hygroscopic

Density:2.398 g/cm3 

Melting point:(212 °F; 373 K)

Boiling point:180 °C (356 °F; 453 K) (sublimes)

Solubility:soluble in hydrogen chloride, ethanol, chloroform, carbon tetrachloride;slightly soluble in benzene




Pharmaceutical preparations of aluminum chloride hexahydrate are used to treat hyperhidrosis, a condition involving excessive sweating. It is also employed in deodorants, antiperspirant preparations, dyeing fabrics, refining crude oil, textile finishing, manufacturing parchment paper, preserving the wood and disinfecting stables. It also finds use as a reagent in organic synthesis. Aluminum chloride hexahydrate is also useful in water treatment process, medicine and cosmetic products.