Copolymer of vinylpyrrolidone and vinylacetate(PVP/VA64)
STRUCTURAL FORMULA:
Formula:(C6H9NO)x(C4H6O2)y
CTFA NOMENCLATURE:PVP/VA copolymer CAS NO.: 25086-89-9 CHARACTERS:
√ In the form of powder. √ Able to form stiff, bright and washable film. √ Soluble in most common organic solvents.
SPECIFICATIONS:
K value
27.0-33.0
Monomers(VP+VAc)
≤0.4%
Water
≤5.0%
Sulfate ash
≤0.1%
Nitrogen
7.0-8.0%
Heavy metals（as Pb）
≤20ppm
Acetaldehyde
≤500ppm
Hydrazine
≤1ppm
Peroxides（as H2O2）,ppm
≤400
APPLICATOINS:
√ Binder for tablets, granules and hard gelatin capsules. √ Tablet coatings, film-forming agents in sprays. √ Matrix-forming agents, acapsule shell, transdermal system
