Einecs 282-079-3

sodium 2-[[3-[(3-amino-4-nitrophenyl)azo]-2,4-dihydroxyphenyl]azo]-5-nitrobenzenesulphonate

2-[[3-(3-Amino-4-nitrophenylazo)-2,4-dihydroxyphenyl]azo]-5-nitrobenzenesulfonic acid sodium salt