| Synonyms |
1-Naphthalenesulfonic acid, 2-(2-(2-hydroxy-6-sulfo-1-naphthalenyl)diazenyl)-, calcium salt (1:1); 1-Naphthalenesulfonic acid, 2-((2-hydroxy-6-sulfo-1-naphthalenyl)azo)-, calcium salt (1:1); Calcium 2-((2-hydroxy-6-sulphonato-1-naphthyl)azo)naphthalenesulphonate; calcium 2-[(2Z)-2-(2-oxo-6-sulfonatonaphthalen-1(2H)-ylidene)hydrazinyl]naphthalene-1-sulfonate |