| Synonyms |
C.I. 17200; C.I. Acid Red 33; C.I. Acid Red 33, disodium salt; C.I. Food Red 12; C.I. Red 33, disodium salt; C.I. Reducing Agent 6; C.I. Acid Red 33, disodium salt (8CI); D & C Red no. 33; disodium (3E)-5-amino-4-oxo-3-(2-phenylhydrazinylidene)-3,4-dihydronaphthalene-2,7-disulfonate; (3E)-5-amino-4-oxo-3-(2-phenylhydrazinylidene)-3,4-dihydronaphthalene-2,7-disulfonic acid |