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aluminum chloride

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noun Chemistry.

a yellow-white, crystalline, water-soluble solid that in its white hydrated form, AlCl3⋅6H2O, is used chiefly as a wood preservative and in its yellow-white anhydrous form, AlCl3, chiefly as a catalyst.

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Origin of aluminum chloride

First recorded in 1865–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
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