Description
Polyvinylpyrrolidone
Polyvinylpyrrolidone Quick Details
Chemical Name: Polyvinylpyrrolidone/ PVP
CAS No.:9003-39-8
Molecular Formula: (C6H9NO)n
Molecular weight: 16.04246
Appearance: White crystals
Polyvinylpyrrolidone Typical Properties
Tests
K15
K17
K25
K30
K90
Identification, A B C D E
Complies
Appearance of solution
Clear, ≤B6, BY6 or R6.
PH(in 5% solution)
3-5
3-5
3-5
3-5
4-7
Viscosity, as K-value
13-17
14.5-19.5
22.5-27
27-32.4
81-97
Aldehyde, ppm
≤500
≤500
≤500
≤500
≤500
Peroxides (as H2O2), ppm
≤400
≤400
≤400
≤400
≤400
Formic acid
≤0.5%
≤0.5%
≤0.5%
≤0.5%
≤0.5%
Hydrazine, ppm
≤1
≤1
≤1
≤1
≤1
Impurity A (VP),ppm
≤10
≤10
≤10
≤10
≤10
Impurity B (2-pyrrolidone )
≤3.0%
≤3.0%
≤3.0%
≤3.0%
≤3.0%
Heavy metals, ppm
≤10
≤10
≤10
≤10
≤10
Water
≤5.0%
≤5.0%
≤5.0%
≤5.0%
≤5.0%
Sulphated ash
≤0.1%
≤0.1%
≤0.1%
≤0.1%
≤0.1%
Assay
11.5-12.8%
11.5-12.8%
11.5-12.8%
11.5-12.8%
11.5-12.8%
Polyvinylpyrrolidone Usage
1. Binder for tablets, granules and hard gelatin capsules.
2. Bioavailability enhencement, Film formation, Solubilization.
3. Injection preparations, Stabilization of suspensions, Drug stabilization.
4. Dietetic tablets in neutritional prod.
Polyvinylpyrrolidone Packaging and Shipping
Packed in 25, 50 kg fiber or plastic drum, inner lined with PE bags.
Polyvinylpyrrolidone Storage
Stored in dry place at room temperature, Avoiding light and drying.
