Einecs 237-098-1

3567-69-9 (Di-hydrochloride salt)

1-Hydroxy-2-[(4-sulfo-1-naphtyl)azo]naphthalene-4-sulfonic acid

7-Hydroxy-8-((4-sulfo-1-naphthyl)azo)-5-naphthalenesulfonic acid

4-hydroxy-3-[(4-sulpho-1-naphthyl)azo]naphthalene-1-sulphonic acid

4-Hydroxy-3-[(4-sulfo-1-naphthalenyl)azo]-1-naphthalenesulfonic acid