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     International Trade
      Tel: 18601708233
    Products
    Pharmaceutical Grade PVP
     
    Chemical Description:Homopolymer of 1-Vinly-2-Pyrrolidone,Polyvinylpyrrolidone
     
    INCI/CTFA:PVP
     
    Pharmacopeia Name:Povidone(Povidonum)
     
    CAS NO.:9003-39-8          
     
    Product Properties: Povidone is a hygroscopic polymer ,supplied in white or creamy white powder or flakes,ranging from low to high viscosity & low to high molecular weight,which characterized by K Value.It’s easily soluble in water and many other organic solvents,with excellent hygroscopisty,film-forming,adhesive,chemical stability and toxicological safeness characters.
     
    Applications:Povidone is one of the most important excipient in the worldwide for pharmaceutical industry,whatever for human health care products and animal health care products.It’s more and more used as:1)Binder for tables,capsule,2)Sugar coatings and films,3)Thickening agent,4)Solubility Improver for poorly soluble drugs,5)Bioavailability Enhancer for drug’s active ingredients,6)Pore-forming for membrane products.
     
    Specifications:
    Product
    Povidone K15
    Povidone K17
    Povidone K25
    Povidone K30
    Povidone K60
    Povidone K90
    Appearance
    White or yellowish-white,hygroscopic powder or flakes
    Solubility
    Freely soluble in water,in ethano(96%) and in methanol,very slightly soluble in acetone.
    Appearance of Solution
    Clearly and not moren intensely coloured than reference solution B6,BY6 or R6
    Identifications
    Meet ID Tests
    pH Value(5% in aqueous solution)
    3.0-5.0
    3.0-5.0
    3.0-5.0
    3.0-5.0
    4.0-7.0
    4.0-7.0
    Viscosity(Expressed as K Value)
    12.75-17.25
    15.3-18.36
    22.5-27.0
    27.0-32.4
    54.0-64.8
    81.0-97.2
    Adehydes(Expressed as Acetaldehyde)
    500 ppm max.
    500 ppm max.
    500 ppm max.
    500 ppm max.
    500 ppm max.
    500 ppm max.
    Peroxides(Expressed as H2O2)
    400ppm max.
    400 ppm max
    400 ppm max
    400 ppm max
    400 ppm max
    400 ppm max
    Formic Acid
    0.5% max.
    0.5% max.
    0.5% max.
    0.5% max.
    0.5% max.
    0.5% max.
    Hydrazine
    1ppm max.
    1ppm max.
    1ppm max.
    1ppm max.
    1ppm max.
    1ppm max.
     
    N-Vinylpyrrolidone(Impurity A)
    USP27
    1000 ppm max.
    1000 ppm max.
    1000 ppm max.
    1000 ppm max.
    1000 ppm max.
    1000 ppm max.
    Current USP/EP/BP
    10 ppm max.
    10 ppm max.
    10 ppm max.
    10 ppm max.
    10 ppm max.
    10 ppm max.
    2-Pyrrolidone(Impurity B)
    3.0% max.
    3.0% max.
    3.0% max.
    3.0% max.
    3.0% max.
    3.0% max.
    Heavy Metals(as Pb)
    10 ppm max.
    10 ppm max.
    10 ppm max.
    10 ppm max.
    10 ppm max.
    10 ppm max.
    Water
    5.0% max.
    5.0% max.
    5.0% max.
    5.0% max.
    5.0% max.
    5.0% max.
    Sulphated Ash
    0.1% max.
    0.1% max.
    0.1% max.
    0.1% max.
    0.1% max.
    0.1% max.
    Nitrogen Content
    11.5-12.8%
    11.5-12.8%
    11.5-12.8%
    11.5-12.8%
    11.5-12.8%
    11.5-12.8%
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