(2-Hydroxy-3-((2-hydroxy-1-naphthyl)azo)-5-nitrobenzene-1-sulphonato(3-))chromium 74358-83-1 Chromium, (2-(hydroxy-kappaO)-3-((2-(hydroxy-kappaO)-1-naphthalenyl)azo-kappaN1)-5-nitrobenzenesulfonato(3-))- Chromium, (3-((2-hydroxy-1-naphthalenyl)azo)-2-hydroxy-5-nitrobenzenesulfonato(3-))- EINECS 277-839-6