direct orange 26, 4,4'-Dihydroxy-3,3'-bis-phenylazo-7,7'-ureylen-bis-naphthalin-2-sulfonsaeure, 7,7'-(Carbonyldiimino)bis[4-hydroxy-3-(phenylazo)naphthalene-2-sulfonic] acid, 4,4'-dihydroxy-3,3'-bis-phenylazo-7,7'-ureylene-bis-naphthalene-2-sulfonic acid, NSC 16223, N.N'-Bis-(6-phenylazo-5-hydroxy-7-sulfo-naphthyl-(2))-harnstoff, 7,7'-(carbonyldiimino)bis[4-hydroxy-3-(phenylazo)naphthalene-2-sulphonic] acid
7,980 € / 公斤