2-Naphthalenol, 1-((2-hydroxy-4-nitrophenyl)azo)-, hemichromium complex, monosodium salt 57206-82-3 64611-73-0 Chromate(1-), bis(1-((2-(hydroxy-kappaO)-4-nitrophenyl)azo-kappaN1)-2-naphthalenolato(2-)-kappaO)-, sodium Chromate(1-), bis(1-((2-hydroxy-4-nitrophenyl)azo)-2-naphthalenato(2-))-, sodium Chromate(1-), bis(1-((2-hydroxy-4-nitrophenyl)azo)-2-naphthalenolato(2-))-, sodium EINECS 264-966-7 Sodium bis(1-((2-hydroxy-4-nitrophenyl)azo)-2-naphtholato(2-))chromate(1-)