155948-46-2 2-Naphthalenesulfonic acid, 3,3'-((cyclohexylidenebis((2-methoxy-4,1-phenylene)azo))bis(4,6-dihydroxy-, disodium salt 2-Naphthalenesulfonic acid, 3,3'-(cyclohexylidenebis((2-methoxy-4,1-phenylene)azo))bis(4,6-dihydroxy-, disodium salt 6459-69-4 Disodium 3,3'-(cyclohexylidenebis((2-methoxy-4,1-phenylene)azo))bis(4,6-dihydroxynaphthalene-2-sulphonate) EINECS 229-267-3