Synonyms: 1,6-Naphthalenedisulfonicacid,8-[[7-[(5-chloro-2-hydroxy-3-sulfophenyl)azo]-1,8-dihydroxy-3,6-disulfo-2-naphthalenyl]azo]-(9CI); 2,7-Naphthalenedisulfonic acid,3-[(5-chloro-2-hydroxy-3-sulfophenyl)azo]-6-[(3,8-disulfo-1-naphthyl)azo]-4,5-dihydroxy-(8CI); Sulfochlorophenol AE