Einecs 286-597-0

7-hydroxy-8-[(4-sulpho-1-naphthyl)azo]naphthalene-1,3,6-trisulphonic acid, sodium salt

7-Hydroxy-8-[(4-sulfo-1-naphtyl)azo]-1,3,6-naphthalenetrisulfonic acid/sodium,(1:x) salt