Synonyms4,4'-(triaz-1-ene-1,3-diyl)dibenzenesulfonate, sodium salt (1:2); 4,4'-Diazoaminodibenzenesulfonic Acid Disodium Salt Close 4,4'-(triaz-1-ene-1,3-diyl)dibenzenesulfonate, sodium salt (1:2); 4,4'-Diazoaminodibenzenesulfonic Acid Disodium Salt Related products Tartrazine M.F. M.W. 465.39; 3(22.99) CAT# AR-T03260 CAS# 1934-21-0 (Na salt) Tartrazine-d4 M.F. M.W. 538.39 CAT# AR-T01179 CAS# NA Tartrazine M.F. M.W. 465.40 3 22.99 CAT# AR-T01178 CAS# 477549-79-4 Tartrazine Impurity 1 Disodium Salt M.F. M.W. 355.34; 2(22.99) CAT# AR-T03593 CAS# 56120-28-6