| Synonyms |
3,6-Bis((5-chloro-2-hydroxy-3-sulphophenyl)azo)-4,5-dihydroxynaphthalene-2,7-disulphonic acid; Chlorosulfophenol S; 2,7-Naphthalenedisulfonic acid, 3,6-bis((5-chloro-2-hydroxy-3-sulfophenyl)azo)-4,5-dihydroxy-; (3Z,6E)-3,6-bis[(5-chloro-2-hydroxy-3-sulfophenyl)hydrazono]-4,5-dioxo-3,4,5,6-tetrahydronaphthalene-2,7-disulfonic acid |