diphenylamine

American  

[dahy-fen-l-uh-meen, -am-in, -feen-] / daɪˌfɛn l əˈmin, -ˈæm ɪn, -ˌfin- /

noun

Chemistry.

1. a colorless, crystalline, slightly water-soluble benzene derivative, C 12 H 11 N, used chiefly in the preparation of various dyes, as a stabilizer for nitrocellulose propellants, and for the detection of oxidizing agents in analytical chemistry.

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diphenylamine British  

/ -nɪl-, -ˈæmɪn, -ˌfɛn-, daɪˌfiːnaɪləˈmiːn /

noun

1. a colourless insoluble crystalline derivative of benzene, used in the manufacture of dyes, as a stabilizer in plastics, etc. Formula: (C 6 H 5 ) 2 NH

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Etymology

Origin of diphenylamine

First recorded in 1860–65; diphenyl + amine

Example Sentences

See Examples For:

diphenylamine

More than 1 in 10 pear samples tested positive for diphenylamine, which is currently banned in the European Union over cancer concerns.

From Salon ● Mar. 20, 2024

By a similar operation, using ethyl alcohol, or spirit of wine, diethylaniline can be obtained, and by heating dry aniline hydrochloride with aniline under similar conditions a crystalline base called diphenylamine is also prepared.

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

It was shown that they are derivatives of diphenylamine containing sulphur as an essential constituent.

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

About 1 per cent. of diphenylamine is added for the purpose of increasing its stability.

From Nitro-Explosives: A Practical Treatise by Sanford, P. Gerald (Percy Gerald)

The introduction of chrysoïdine in 1876 was immediately followed by the manufacture of acid azo-dyes obtained by combining diazotised amido-sulpho-acids with phenols of various kinds, or with bases, such as dimethylaniline and diphenylamine.

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