Benzidine is the trivial name for 4,4'-diaminobiphenyl, a carcinogenic aromatic amine which has been used as part of a test for cyanide and also in the synthesis of dyes.
Benzidine is the trivial name for 4,4'-diaminobiphenyl. This diaminobiphenyl has been used as part of a test for cyanide and also in the synthesis of dyes. Diaminobiphenyl is a carcinogenic aromatic amine.