12225-88-6 2-Naphthalenesulfonic acid, 6-(acetylamino)-4-hydroxy-3-((4-((2-(sulfooxy)ethyl)sulfonyl)phenyl)azo)-, disodium salt 20262-58-2 Brilliant orange 3R C.I. REACTIVE ORANGE 16 Disodium 6-acetamido-4-hydroxy-3-((4-((2-(sulphonatooxy)ethyl)sulphonyl)phenyl)azo)naphthalene-2-sulphonate EINECS 243-653-9