2,7-Naphthalenedisulfonic acid, 5-(acetylamino)-4-hydroxy-3-((8-((2-(sulfooxy)ethyl)sulfonyl)-2-naphthalenyl)azo)-, sodium salt 5-(Acetamido)-4-hydroxy-3-((8-((2-(sulphooxy)ethyl)sulphonyl)-2-naphthyl)azo)naphthalene-2,7-disulphonic acid, sodium salt 85567-18-6 EINECS 287-731-0