| Synonym | 3,6-Bis(2-sulfo-p-tolylazo)-4,5-dihydroxy-2,7-naphthalenedisulfonic acid, 3,6-Bis[(4-methyl-2-sulfophenyl)azo]-4,5-dihydroxynaphthalene-2,7-disulfonic acid, 4,5-Dihydroxy-3,6-bis[(4-methyl-2-sulfophenyl)azo]-2,7-naphthalenedisulfonic acid, Einecs 239-057-3, 2,7-Bis[(4-methyl-2-sulfophenyl)azo]-1,8-dihydroxynaphthalene-3,6-disulfonic Acid2,7-Bis(2-sulfo-p-tolylazo)-1,8-dihydroxy-3,6-naphthalenedisulfonic Acid, Dimethyl sulfonazo lll, 7-Naphthalenesulfonicacid,4,5-dihydroxy-3,6-bis[(4-methyl-2-sulfophenyl)azo]-2, dimethylsulfonazo |