2-Nitroso-1-naphthol-4-sulfonic acid hydrate

product Name 2-Nitroso-1-naphthol-4-sulfonic acid hydrate Synonyms 4-Hydroxy-3-nitroso-1-naphthalenesulfonic acid; 2-Nitroso-1-naphthol-4-sulphonic acid tetrahydrate; 4-hydroxy-3-nitrosonaphthalene-1-sulfonic acid; 3-nitroso-4-oxidonaphthalene-1-sulfonate Molecular Formula C10H5NO5S Molecular Weight 251.2165 InChI InChI=1/C10H7NO5S/c12-10-7-4-2-1-3-6(7)9(17(14,15)16)5-8(10)11-13/h1-5,12H,(H,14,15,16)/p-2 CAS Registry Number 3682-32-4 EINECS 222-964-3 Molecular Structure Melting point 140℃ Risk Codes R20/22:Harmful by inhalation and if swallowed.; R36/37/38:Irritating to eyes, respiratory system and skin.; Safety Description S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.; S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.;

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