Einecs 260-835-3

2-[(8-amino-1-hydroxy-3,6-disulpho-2-naphthyl)azo]naphthalene-1,5-disulphonic acid

2-[(8-Amino-1-hydroxy-3,6-disulfonaphthalen-2-yl)azo]-1,5-naphthalenedisulfonic acid