benzidine


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Related to benzidine: Benzodiazepines, benzidine test

benzidine

 [ben´zĭ-dēn]
a 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 toxic and carcinogenic.

ben·zi·dine

(ben'zi-dēn),
A p-diaminophenyl, previously used to detect stool blood and agueous sulfates and as a reagent in special stains; now identified as a carcinogen.

benzidine

/ben·zi·dine/ (ben´zĭ-dēn) a carcinogen and toxin once widely used as a test for occult blood.

benzidine

A yellowish or reddish crystalline powder used in a test to detect small quantities of blood.

benzidine

a compound used as a test for traces of blood (benzidine test).
References in periodicals archive ?
Of 30 participants who developed bladder cancer during the trial, 28 had been exposed to benzidine on the job and two had not.
Cancer incidence and mortality among beta-naphthylamine and benzidine dye workers in Moscow.
Clearly class 1 carcinogens such as asbestos, benzene, benzidine, and dioxin merit very high priority in cancer control.
The reaction was developed with a mixture of diamino benzidine and 30% hydrogen peroxide (Sigma).
The compound 4,4[prime]-bisazidodiphenyl was prepared by diazotation of benzidine and treatment with Na[N.
2) The FDA calculated in 1985 that ingestion of free benzidine raises the cancer risk to just under the "concern" threshold (1 cancer in 1 million people).
Arylamine chemicals such as benzidine, [beta]-naphthylamine, and 2-aminofluorene can also be acetylated by NAT2.
1999) and the aromatic amines benzidine and 4-aminobiphenyl (Zenser et al.
of monitors Air pollutant Cancer Chronic Cancer Chronic risk risk risk risk Nickel compounds X X Manganese compounds X Cadmium compounds X X 6 Titanium tetrachloride X 2,4-Dinitrotoluene X Methyl tert-butyl ether X 1 1,3-Dichloropropene X Chloroform X 16 Methylene chloride X (dichloromethane) p-Dichlorobenzene X Propylene oxide X Tetrachloroethylene X 16 (perchloroethylene) Trichloroethylene X 1,1,2-Trichloroethane X 16 Bis(2-ethylhexyl)phthalate X Epichlorohydrin X (1-chloro-2,3-epoxypropane) Lead compounds X 1,2-Dibromo-3-chloropropane X 1,4-Dioxane X 2,4-Toluenediamine X Acrylamide X Benzidine X Dichloroethyl ether X Bis(2-chloroethyl)ether Polycyclic organic matter X Data source AQS 2004 (b) No.
Previous color reagents, benzidine and aminobiphenyl, were unstable or carcinogenic; Dr.
For benzidine and safrole, there was a notable sex difference, with high liver tumor incidence observed for early postnatal exposures of male, but not female, mice.