Einecs 280-231-3

5-[[4-[(7-amino-1-hydroxy-3-sulpho-2-naphthyl)azo]-1-naphthyl]azo]salicylic acid, sodium salt

Benzoic acid, 5-[[4-[(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]-1-naphthalenyl]azo]-2-hydroxy-, sodium salt