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Pharmaceutical Grade VP/VA Copolymers |
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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
Formula structure:
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:
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Appearance
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White to creamy white,free-flowing powder
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K Value(Labled K value at 30)
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27-32.4
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Aldehyde
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500 ppm max.
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Peroxide
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400 ppm max.
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Hydrazine
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1 ppm max.
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Monomers(Residue VP+Residue VA)
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0.1% max.
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Impurity A(2-Pyrrolidone)
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0.5% max.
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Heavy Metals
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20 ppm max.
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Moisture
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5.0% max.
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Sulphated Ash
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0.1% max.
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VA content
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35.3-42% max.
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Nitrogen
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7.0-8.0 %
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