benzidine(redirected from Benzidines)
Also found in: Medical, Encyclopedia.
A carcinogenic yellowish, white, or reddish-gray crystalline powder, C12H12 N2, that is a derivative of biphenyl, is used in dyes, and is used to detect blood stains and cyanide.
(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
ben•zi•dine(ˈbɛn zɪˌdin, -dɪn)
a crystalline base, C12H12N2, used in the synthesis of azo dyes, esp. Congo red.