2-Naphthalenol, 1-((2-hydroxy-4-nitrophenyl)azo)-, chromium complex 2-Naphthalenol, 1-((2-hydroxy-5-nitrophenyl)azo)-, chromium complex 52277-71-1 Chromate(1-), (1-((2-(hydroxy-kappaO)-4-nitrophenyl)azo-kappaN1)-2-naphthalenolato(2-)-kappaO)(1-((2-(hydroxy-kappaO)-5-nitrophenyl)azo-kappaN1)-2-naphthalenolato(2-)-kappaO)-, hydrogen Chromate(1-), (1-((2-hydroxy-4-nitrophenyl)azo)-2-naphthalenolato(2-))(1-((2-hydroxy-5-nitrophenyl)azo)-2-naphthalenolato(2-))-, hydrogen EINECS 257-804-1 Hydrogen (1-((2-hydroxy-4-nitrophenyl)azo)-2-naphtholato(2-))(1-((2-hydroxy-5-nitrophenyl)azo)-2-naphtholato(2-))chromate(1-)