arsenic trichloride

noun

Chemistry.

1. a colorless or yellow, oily, poisonous liquid, AsCl 3 , used chiefly as an intermediate in the manufacture of organic arsenicals.

Example Sentences

Arsenic trichloride, when mixed with enough water, breaks down into arsenic trioxide and hydrochloric acid in a chemical reaction that increases its corrosive properties.

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Arsenic phosphide, AsP, results when phosphine is passed into arsenic trichloride, being precipitated as a red-brown powder.

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Arsenic trichloride, AsCl3, is prepared by distilling white arsenic with concentrated sulphuric acid and common salt, or by the direct union of arsenic with chlorine, or from the action of phosphorus pentachloride on white arsenic.

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It burns readily in chlorine gas, forming arsenic trichloride,— As + 3Cl = AsCl3.

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