5850-58-8

C.I.16605 Nsc148367 Acid Red 19 Levamin red gg C.I.Acid Red 19 Chromazone red a C.I.Acid Red 19:C.I.16605 C.I. Acid red 19, disodium salt 3-[(4-Formylphenyl)azo]-4,5-dihydroxy-2,7-naphthalenedisulfonic acid disodium salt 2,7-Naphthalenedisulfonic acid, 3-[(4-formylphenyl)azo]-4,5-dihydroxy-, disodium salt sodium,(3Z)-3-[(4-formylphenyl)hydrazinylidene]-5-hydroxy-4-oxonaphthalene-2,7-disulfonic acid