1-Naphthalenediazonium, 4-((3-sulfophenyl)azo)-, chloride 1-Naphthalenediazonium, 4-((m-sulfophenyl)azo)-, chloride 4-((3-Sulphophenyl)azo)naphthalene-1-diazonium chloride 67875-15-4 EINECS 267-529-9