| Synonyms |
4,5-Dihydroxy-3-(4-sulfophenylazo)-2,7-naphthalenedisulfonic acid, trisodium salt; p-Sulfophenylazochromotropic acid trisodium salt; SPADNS; 2-(4-Sulfophenylazo)-1,8-dihydroxy-3,6-naphthalenedisulfonic acid trisodium salt; trisodium 4,5-dihydroxy-3-(4-sulphonatophenylazo)naphthalene-2,7-disulphonate; Sulphanilic acid azochromotrope; 2-(4-Sulphophenylazo)chromotropic acid trisodium salt; trisodium (3Z)-5-hydroxy-4-oxo-3-[(4-sulfonatophenyl)hydrazono]-3,4-dihydronaphthalene-2,7-disulfonate; trisodium (3E)-5-hydroxy-4-oxo-3-[(4-sulfonatophenyl)hydrazono]-3,4-dihydronaphthalene-2,7-disulfonate; 5-hydroxy-4-oxo-3-[(4-sulfonatophenyl)hydrazono]-3,4-dihydronaphthalene-2,7-disulfonate |