Mainly produces a series of intermediate products based on naphthalene and benzene

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                    Synonims Nitroxoline 5-Nitrooxine
                    Formula C9H6N2O3
                    Stuctural formular
                    Molecular weight 190.15
                    Description: orange-yellow to brownish-yellow crystalline powder of bitter taste.
                    Identification: IR absorption spectrum,compared to the reference standard
                    Melting point: 175-181°C
                    Chloride (Cl): 0.02%max.
                    Sulphate (SO4): 0.05%max.
                    Nitrate: absent
                    Loss on drying: 1%max.(2 hours,105°C )
                    Sulphated ash: 0.2%max.(According to USP23)
                    Heavy metals: not more than 20 ppm
                    Assay: 98.0%min. C9H6N2O3,calculated on the dried basis.

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