(1,1'-Biphenyl)-4,4'-diamine, N,N,N',N'-tetramethyl- 366-29-0 4,4'-Bis(N,N-dimethylamino)biphenyl AI3-61957 Benzidine, N,N,N',N'-tetramethyl- CCRIS 1000 EINECS 206-676-5 N,N,N',N'-TETRAMETHYLBENZIDINE N,N,N',N'-Tetramethyl-(1,1'-biphenyl)-4,4'-diamine N,N,N',N'-Tetramethyl-p,p'-benzidine NSC 433