2,7-Naphthalenedisulfonic acid, 5-((2,4-dihydroxy-5-((4-(6-methyl-2-benzothiazolyl)-3-sulfophenyl)azo)phenyl)azo)-4-hydroxy-3-((3-sulfo-4-((4-sulfophenyl)azo)phenyl)azo)-, pentasodium salt 72152-65-9 EINECS 276-417-9 Pentasodium 5-((2,4-dihydroxy-5-((4-(6-methylbenzothiazol-2-yl)-3-sulphonatophenyl)azo)phenyl)azo)-4-hydroxy-3-((3-sulphonato-4-((4-sulphonatophenyl)azo)phenyl)azo)naphthalene-2,7-disulphonate