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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 its 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 %