Einecs 249-459-0

2-[(2-hydroxy-1-naphthyl)azo]naphthalenesulphonic acid

1-Naphthalenesulfonic acid, 2-((2-hydroxy-1-naphthalenyl)azo)-

1-Naphthalenesulfonic acid, 2-(2-(2-hydroxy-1-naphthalenyl)diazenyl)-

1-Naphthalenesulfonic acid, 2-((2-hydroxy-1-naphthalenyl)azo)-, sodium salt