A compound used mainly for dyeing textiles and paper that is a known human carcinogen (cancer-causing agent). Benzidine was one of the first chemicals for which an association of occupational exposure and increased incidence of urinary bladder cancer in humans was reported.
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A colorless, crystalline compound used to detect sulfates in water analysis, for the identification of blood, and as a reagent in special stains; because it has been identified as a carcinogen, its current use is limited.

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ben·zi·dine 'ben-zə-.dēn n a crystalline base C12H12N2 used esp. in making dyes and in a test for blood

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ben·zi·dine (benґzĭ-dēn) a colorless, crystalline arylamine compound formed by the action of acids on hydrazobenzene; once widely used in testing for occult blood, its use is now limited because it is a carcinogen and is toxic if absorbed through the skin, ingested, or inhaled. Called also p-diaminodiphenyl>.

Medical dictionary. 2011.

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  • Benzidine — IUPAC name 4,4 diaminobiphenyl …   Wikipedia

  • Benzidine — structure chimique Général Nom IUPAC 4,4 diaminobiphenyl …   Wikipédia en Français

  • benzidine — ● benzidine nom féminin Diamine aromatique dérivant du biphényle, qui sert à la préparation de colorants (chrysamine, jaune Congo, rouge Congo). benzidine [bɛ̃zidin] n. f. ÉTYM. 1854, Gerhardt, in T. L. F. (art. Benz(o) ); all. benzidin, de… …   Encyclopédie Universelle

  • benzidine — [ben′zə dēn΄] n. [< BENZENE] a white or reddish crystalline organic base, NH2C6H4C6H4NH2, used in the manufacture of dyes …   English World dictionary

  • benzidine — /ben zi deen , din/, n. Chem. a grayish, crystalline, slightly water soluble, basic compound, C12H12N2, usually derived from nitrobenzene: used chiefly in the synthesis of certain azo dyes, esp. Congo red. [1875 80; BENZ + ID3 + INE2] * * * ▪… …   Universalium

  • benzidine — benzidinas statusas T sritis chemija formulė (H₂NC₆H₄)₂ atitikmenys: angl. benzidine rus. бензидин ryšiai: sinonimas – 4,4ˊ bifenilendiaminas …   Chemijos terminų aiškinamasis žodynas

  • benzidine test — n a test for blood (as in feces) based on its production of a blue color in a solution of benzidine, sodium peroxide, and glacial acetic acid * * * (for occult blood in urine or feces) benzidine, acetic acid, and hydrogen peroxide are added to… …   Medical dictionary

  • benzidine dyes — Congo group Con go group [From {Congo red}.] A group of artificial dyes with an affinity for vegetable fibers, so that no mordant is required. Most of them are azo compounds derived from benzidine or tolidine. Called also {benzidine dyes}.… …   The Collaborative International Dictionary of English

  • benzidine — noun Etymology: International Scientific Vocabulary benz + idine Date: circa 1855 a crystalline diamine base C12H12N2 prepared from nitrobenzene and used especially in making dyes …   New Collegiate Dictionary

  • benzidine — noun The aromatic diamine 4,4 diaminobiphenyl that is used in testing for cyanide, and for traces of blood …   Wiktionary

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