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

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

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)

Diphenylamine blue introduced; leading to manufacture of diphenylamine.

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

Rottweil Smokeless Powder: a gelatined powder containing camphor and diphenylamine.

From The New Gresham Encyclopedia Volume 4, Part 3: Estremoz to Felspar by Various

The parent-compound is diphenylamine in which sulphur replaces hydrogen, and is therefore known as thiodiphenylamine.

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