Also Called: salts of benzidine [; Benzidine, salt of Benzidine sulphate (1:1)(Note: see also CAS No 531-85-1, 36341-27-2 & 21136-70-9);Benzidine sulfate;benzidine, salts of;[[1,1'-biphenyl]-4,4'-diyl]diammonium sulphate;Benzidine salt;BENZIDINE (AND ITS SALTS);4-(4-aminophenyl)aniline;sulfuric acid;[1,1'-Biphenyl]-4,4'-diamine, sulfate (1:1);Benzidine sulfate (1:1);salts of benzidine;Benzidine, sulfate (1:1)