50880-65-4

Sulfanilic Acid Azo R Salt Color Standard Trisodium 3-hydroxy-4-[(4-sulfonatophenyl)azo]naphthalene-2,7-disulfonate 3-Hydroxy-4-[(4-sulfophenyl)azo]-2,7-napthalenedisulfonic Acid Trisodium trisodium 3-hydroxy-4-[(4-sulphonatophenyl)azo]naphthalene-2,7-disulphonate (4Z)-3-oxo-4-[(4-sulfonatophenyl)hydrazinylidene]naphthalene-2,7-disulfonate 3-HYDROXY-4-[(4-SULFOPHENYL)AZO]-2,7-NAPHTHALENEDISULFONIC ACIDTRISODIUM SALT 3-Hydroxy-4-[(4-sulfophenyl)azo]naphthalene-2,7-disulfonic acid trisodium salt 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-((4-sulfophenyl)azo)-, trisodium salt 3-Hydroxy-4-(p-sodiooxysulfonylphenylazo)-2,7-naphthalenedisulfonic acid disodium salt 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[2-(4-sulfophenyl)diazenyl]-, sodium salt (1:3)