benzotrichloride

[ben-zoh-trahy-klawr-ahyd, -id, -klohr-]

noun

Chemistry.

1. a colorless or yellowish liquid, C 7 H 5 Cl 3 , used chiefly in the manufacture of dyes.

Word History and Origins

Origin of benzotrichloride¹

benzo- + trichloride

Example Sentences

By the action of benzotrichloride on dimethylaniline in the presence of dry zinc chloride, Oscar Doebner obtained in 1878 a brilliant green colouring-matter which was manufactured under the name of “malachite green.”

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The first of these is benzyl chloride, the second benzal chloride, and the third benzotrichloride or phenyl chloroform.

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It was but a step from the laboratory into the factory in this case, and at the present time the aldehyde is made on a large scale by chlorinating boiling toluene beyond the stage of benzyl chloride, and heating the mixture of benzal chloride and benzotrichloride with lime and water under pressure.

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