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    Polymixin-B-Sulphate

    Product name:
    Polymixin-B-Sulphate
    CAS:
    1405-20-5
    化学品名:
    Xylometazoline
    Category:
    Pharmaceutical Intermediates
    Specification:
    Items
    Specifications
    Appearance
    White or less white powder,
    PH(2%) 
    PH(0.5%)  
    5.0-7.0
    5.0-7.5
    Sulphated ash 
    0.75%
    Specific rotation
                           -78°~-90°
    Sulphate
    15.5-17.5%
    Loss on drying
    ≤6.0%
    Residue on ignition
    ≤0.1%
    Heavy metals
    ≤20ppm
    Phenylalanine  
    9.0-12.0%
    Total viabel aerobic count  
    ≤10cfu/g
    Related sunstances,HPLC
    Major impurity
    Total impurity
    ≤3.0%
     ≤17.0%
    Assay ,microbiological(as is)
    ≥6500IU/mg
    5um of polymyxins B1,B2,B3 and B1-1
    Polymyxin B3
    Polymyxin B1-1
    ≥80.0%
    ≤6.0%
    ≤15.0%
    Particle size  
    ≥99.0% ≤20um by vol
    ≥90.0% ≤15um by vol
    ≥75.0%≤10um by vol
    ≥35.0%≤5um by vol
    Conclusion It complies with  the USP31.
     
     
    Contactor: