2-Naphthalenesulfonic acid, 7-(acetylamino)-4-hydroxy-3-((6-sulfo-8-((2-(sulfooxy)ethyl)sulfonyl)-2-naphthalenyl)azo)-, sodium salt 2-Naphthalenesulfonic acid, 7-acetylamino-4-hydroxy-3-((6-sulfo-8-((2-(sulfooxy)ethyl)sulfonyl)naphth-2-yl)azo)-, sodium salt 7-Acetamido-4-hydroxy-3-((6-sulpho-8-((2-(sulphooxy)ethyl)sulphonyl)-2-naphthyl)azo)naphthalene-2-sulphonic acid, sodium salt 85958-91-4 EINECS 288-979-2