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     International Trade
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    Products
    Pharmaceutical Grade VP/VA Copolymers
    Product Name:Copvodione
     
    Chemical Description:Vinylpyrrolidone with Vinyl Acetate Copolymer,PVP/VA 64 Powder
     
    INCI/CTFA:VP/VA Copolymer
     
    Pharmacopeia Name:Copovidone(Copovidonum)
     
    CAS NO.:25086-89-9

     
    Properties: White or creamy white,free-flowing power with characteristic smell,hygroscopic.Good solubility in water,alcohol and other organic solvents.
     
    Applications:In view of it’s excellent adhesiveness ,film hard and other properties,Copovidone mainly used as water-soluble binder and dry binder in wet/direct granulation processes,also it can be used as film forming materials.
     
    Specifications:
    Appearance
    White to creamy white,free-flowing powder
    K Value(Labled K value at 30)
    27-32.4
    Aldehyde
    500 ppm max.
    Peroxide
    400 ppm max.
    Hydrazine
    1 ppm max.
    Monomers(Residue VP+Residue VA)
    0.1% max.
    Impurity A(2-Pyrrolidone)
    0.5% max.
    Heavy Metals
    20 ppm max.
    Moisture
    5.0% max.
    Sulphated Ash
    0.1% max.
    VA content
    35.3-42% max.
    Nitrogen
    7.0-8.0 %
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