disodium 3-[(2,4-dimethyl-5-sulphonatophenyl)azo]-4-hydroxynaphthalene-1-sulphonate;AKA504;D AND C RED NO 4;FOOD RED 1;1-Naphthalenesulfonic acid, 3-(2,4-dimethyl-5-sulfophenyl)azo-4-hydroxy-, disodium salt;D&CRED4;FD&CREDNO4;3-[(2,4-Dimethyl-5-sulfophenyl)azo]-4-hydroxy-1-naphthalenesufonic acid, disodium salt
