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benzidine

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ben·zi·dine  (bnz-dn)
n.
A yellowish, white, or reddish-gray crystalline powder, NH2C6H4C6H4NH2, used in dyes and to detect blood stains.
[benz(ene) + -id(e) + -ine.]
benzidine [ˈbɛnzɪˌdiːn -dɪn]
n
(Chemistry / Elements & Compounds) a grey or reddish poisonous crystalline powder that is used mainly in the manufacture of dyes, esp Congo red. Formula: NH2(C6H4)2NH2
benzidine  (bnz-dn)
A yellowish, white, or reddish-gray crystalline powder that is produced synthetically and is carcinogenic. It is used in making dyes, as a reagent, and in detecting blood stains. Chemical formula: C12H12N2.
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1999) and the aromatic amines benzidine and 4-aminobiphenyl (Zenser et al.
Does rapid metabolism ensure negligible risk from bisphenol A? by Ginsberg, Gary; Rice, Deborah C. / Environmental Health Perspectives
Also linked to bladder cancer are exposure to certain chemicals, such as benzidines, aniline dyes, naphthalenes; radiation exposure; heredity; possibly extremely high consumption of saccharin; a history of schistosomiasis (a tropical disease); chronic urinary tract infections or inflammation; and working in the dye, chemical, rubber, and leather industries.
Natural Bladder Cancer Treatment by john daniel rivera / Health, general community
The World Health Organisation has listed several dyes used in the textile industry as carcinogenic, including any dyes with a benzidine base, including Direct Blue 6, Direct Black 38 and Direct Brown 95, which have been banned in the US and the EU.
Carcinogens found in some abayas by Gulf News (United Arab Emirates)
 
 
 
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