triphenylmethane

American  

[trahy-fen-l-meth-eyn, -feen-] / traɪˌfɛn lˈmɛθ eɪn, -ˌfin- /

noun

Chemistry.

1. a colorless, crystalline, solid compound containing three benzene rings, C 19 H 16 , from which many dyes are derived.

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triphenylmethane British  

/ traɪˌfiːnaɪlˈmiːθeɪn, -ˌfɛn- /

noun

1. a colourless crystalline solid used for the preparation of many dyes. Formula: (C 6 H 5 ) 3 CH

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Etymology

Origin of triphenylmethane

First recorded in 1880–85; tri- + phenyl + methane

Example Sentences

Crystal violet, a triphenylmethane dye, is used to dye ink and textiles.

From Science Daily • Oct. 10, 2023

This hydrocarbon, it may be remarked, is known as triphenylmethane, as it is a derivative of methane, or marsh gas.

From Coal and What We Get from It by Meldola, Raphael

The reverse series of operations was also carried out by the Fischers, triphenylmethane being nitrated, and the nitro compound then reduced to triaminotriphenylmethane or paraleucaniline, which on careful oxidation is converted into the dye-stuff.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" by Various

It is evident, from what has been said, that rosolic acid and its related colouring-matters are members of the triphenylmethane group.

From Coal and What We Get from It by Meldola, Raphael

The phthaleïns are members of the triphenylmethane group, and are therefore related to magenta, corallin, malachite green, methyl violet, and the phosgene dyes.

From Coal and What We Get from It by Meldola, Raphael