(1,1'-Biphenyl)-4,4'-diamine, 3,5-dichloro- (9CI) 3,5-Dichloro-(1,1'-biphenyl)-4,4'-diamine 3,5-Dichlorobenzidine 63390-11-4 BRN 2840823 Benzidine, 3,5-dichloro- CCRIS 1983