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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