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    Products
    Pharmaceutical Grade PVPP
    Product Name:Crospovidone
    Chemical Description:Croslinked PVP,Crospovidone,Insoluble PVPPollyvinylpolypyrrolidone
    INCI/CTFA:Insoluble PVP
    Pharmacopeia Name:Crospovidone (Crospovidonum)
    CAS NO.:9003-39-8,25249-54-1
    Product Properties: Crospovidone is hygroscopic,insoluble in water and all other common solvents,but it swells rapidly in aqueous solutbition without any gel froms.Its; classified as Crospovidone Type A and Type B according to the different particle size.
    Applications:In the pharmaceutical industry,Crospovidone are widely used as 1)Disintergrating agent,2)Stabilizer for suspension,3)Moisture Absorbent, 4)Complextant of Polyphenols and Tannin for the extract formulations.
    Specifications:
    Product
    Crospovidone Type A
    Crospovidone Type B
    Appearance
    White or yellowish-white powder or flakes
    Identifications
    Meet ID Tests
    Solubility
    Practically insoluble in water,in alcohol and in methylene chloride
    Water- soluble substances
    1.0% max
    1.0% max
    pH((1% in water)
    5.0 –8.0
    5.0 –8.0
    Loss on Drying
    5.0% max.
    5.0% max.
    Sulphated Ash
    0.1% max.
    0.1% max.
    Nitrogen content
    11.0 -12.8 %
    11.0 -12.8 %
    Impurity A
    10 ppm max.
    10 ppm max.
    Peroxide(As H2O2)
    400 ppm max.
    400 ppm max.
    Heavy Metal
    10 ppm max.
    10 ppm max.
    Particle Size(μm), ≥80%
    50-300
    5-50
    姚记国际