Synonyms: | 7-hydroxy-8-[[4-[(3-phosphonophenyl)azo]-2-sulphophenyl]azo]naphthalene-1,3-disulphonic acid, ammonium sodium salt;7-Hydroxy-8-((4-((3-phosphonophenyl)azo)-2-sulphophenyl)azo)naphthalene-1,3-disulphonic acid, ammonium sodium salt;Einecs 285-501-4 |