((1,1'-Biphenyl)-4,4'-diyl)diammonium sulphate (1,1'-Biphenyl)-4,4'-diamine, sulfate (1:1) (1,1'-Biphenyl)-4,4'-diamine, sulfate (1:1) (9CI) 531-86-2 92-87-5 BENZIDINE SULFATE Benzidine sulphate Benzidine, sulfate (1:1) (8CI) EINECS 208-520-1 NSC 148333