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    Product intro.

    Name

    Packing

    Annual output

    Certificate approval number

    Oxytetracycline dihyclorate

    25Kg/bag

    4000tons

    H14020081

    Quality standards for oxytetracycline dihyclorate
     
    Based on
    Standards
    items
    EP8.0           BP2013 USP36
    Appearance Yellow crystalline powder Yellow crystalline powder
    Identification A、TLC As required --
    B、Sulfuric acid reaction As required As required
    C、Nitric acid reaction As required --
    crystalline -- As required
    pH 4.5-7.5 4.5-7.0
    Specific optical rotation -203° - -216° --
    UV absorption at 353nm 290-310 96.0%-104.0%
    UV absorption of impurity 430nm ≤0.25 --
    490nm ≤0.20 --
    Related substances 4-epoxytetracycline ≤0.5% --
    Tetracycline hydrochloride ≤2.0% --
    Main peak tailing ≤2.0% --
    Other ≤0.1% --
    Heavy metal ≤50ppm --
    Water content 6.0%-9.0% 6.0%-9.0%
    Ash ≤0.5% --
    Assay 95.0%-100.5% ≤832ug/mg

     

     

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