1,4-Benzenediamine, N'-(4-(dimethylamino)phenyl)-N,N-dimethyl- (9CI) 4,4'-Bis(dimethylamino)diphenylamine 4,4-Bis(dimethylamino)diphenylamine 637-31-0 Bindschedler's green leuco base C.I. 76125 Diphenylamine, 4,4'-bis(dimethylamino)- (8CI) NSC 56921 p,p'-(Tetramethyldiamino)diphenylamine