PVP/VACOPOLYMER COPOVIDONE VA64
PRODUCT NAME:
PVP/VACOPOLYMER COPOVIDONE VA64
Chemical Name: 1-Vinyl-2-pyrrolidone polymer with vinyl acetate
BASF Name: Copovidone VA64
ISP name: Plasdone S630
CAS No. : 25086-89-9
Molecular Formula: (C6H9NO)n·(C4H6O2)m
Molecular Weight: 206.33
Standard: USP EP JP(GMP approval)
Character: white or yellowish powder
MAIN INDEX:
Loss on drying |
≤5.0% |
K-value |
25.2~30.8 |
Residual monomer(VP) |
≤0.1% |
Aldehydes |
≤500ppm |
Nitrogen content |
7.0%~8.0% |
Sulfated ash/Residue on ignition |
≤0.1% |
Hydrazine |
≤1 ppm |
Peroxides |
≤400ppm |
| Vinyl acetate, polymerized |
35.3~42.2% |
Description:
Polyvinylpyrrolidone, VA series products is a synthetic water-soluble copolymer consisting of N-vinylpyrrolidone and vinyl acetate copolymer in a certain random that is soluble both in water and in alcohol. It can be classified as two grades, one is cosmetic grade, the other is pharmaceutical grade.
VA ratio 60:40. It is used as a dry binder in tablet, as a granulating auxiliary and as a film-forming agent.
Use:
It is a highly effective film forming adhesive. It is used primarily as a tablet binder, Although its unique properties make it useful in the formulation and coating of a variety of pharmaceutical dosage forms.
In the cosmetic industry, PVP/VA forms hard, glossy, water-removable films. Its viscosity, softening point and water sensitivity vary with VP/VA ratio. The applications of Copovidone VA 64 rely mainly on its good binding and filmforming properties, its affinity to hydrophilic and hydrophobic surfaces and its relatively low hygroscopicity.
Storage: The storage temperature should be kept below 25 °C.
Packing: In 25kg fiber drum.inner lined with PE bags. |
