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  

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

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

A number of these condensation products are derivatives of diphenylamine or hydroxybenzyl alcohols.

From Synthetic Tannins by Georg Grasser

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

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

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 Raphael Meldola

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

From Coal and What We Get from It by Raphael Meldola