Synonyms: | 1-Naphthalenesulfonicacid, 6-hydroxy-5-[(4-sulfo-1-naphthalenyl)azo]-, disodium salt (9CI);1-Naphthalenesulfonic acid, 6'-hydroxy-4,5'-azodi-, disodium salt (8CI);2-Naphthol-5-sulfonic acid, 1-(4-sulfo-1-naphthylazo)-, disodium salt (6CI);Cramoisine; L-Red 2 |