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

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                            5-Nitro-8-Hydroxyquinoline
                            Synonims Nitroxoline 5-Nitrooxine
                            Formula C9H6N2O3
                            Stuctural formular
                            Molecular weight 190.15
                            Specification
                            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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