aluminum chloride

noun

, Chemistry.

a yellow-white, crystalline, water-soluble solid that in its white hydrated form, AlCl 3 ⋅6H 2 O, is used chiefly as a wood preservative and in its yellow-white anhydrous form, AlCl 3 , chiefly as a catalyst.

First recorded in 1865–70

These syntheses afford another instance of the singular action of aluminum chloride in attacking the benzene nucleus.

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