StructureAluminium trichloride
CAS No. 7446-70-0
EC No. 231-208-1
Synonyms Aluminium Chloride; Trichloroaluminum; Aluminium trichloride; Trichloridoaluminium,  Trichloroalumane

Aluminium trichloride

​Aluminium trichloride, (AlCl3), is probably the most commonly used Lewis acid and also one of the most powerful. It finds application in the chemical industry as a catalyst for Friedel–Crafts reactions, both acylations and alkylations. Important products Aluminium trichloride are detergents and ethylbenzene. It also finds use in polymerization and isomerization reactions of hydrocarbons.

The Friedel–Crafts reaction is the major use for aluminium chloride, for example in the preparation of anthraquinone (for the dyestuffs industry) from benzene and phosgene (carbon dichloride oxideCOCl2).


  • Catalyst

Shelf Life

Under proper storage conditions, the shelf life is 6 months in the bag packaging and 1 year in drum packaging

Health & Safety

Detailed information on the product described can be found in our relevant Health and Safety Information (Material Safety Data Sheet)

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