Acid Red 33

3567-66-6

 5-Amino-4-hydroxy-3-phenylazo-2,7-naphthalenedisulfonic Acid disodium Salt; Acid Red 33 Disodium Salt; Disodium 5-amino-4-hydroxy-3-(phenylazo)-naphthalene-2,7-disulfonate; Food Red 12; Sodium (E)-5-amino-4-oxo-3-(2-phenylhydrazono)-3,4-dihydronaphthalene-2,7-disulfonate;