Einecs 308-467-5

3-[(4-nitrophenyl)azo]-5-[(6-sulpho-1-naphthyl)azo]salicylic acid, sodium salt

2-Hydroxy-3-[(4-nitrophenyl)azo]-5-[(6-sulfo-1-naphthalenyl)azo]benzoic acid/sodium,(1:x) salt