China (Mainland)
Assessedsupplier
- Product Details
Keywords
- Povidone K25
- Polyvinylpyrrolidone K25
- PVP K25
Quick Details
- ProName: Povidone K25
- CasNo: 9003-39-8
- Appearance: White or milky powder
- Application: Pharma:As binder for tablet and pellet...
- ProductionCapacity: Metric Ton/Day
- Purity: 95%
- LimitNum: 1 Metric Ton
Superiority
Physical properties of Povidone K25
White or milky powder, and colorless or slight yellow transparent liquid. It can dissolve in water and variety of organic solvents, such as grain alcohol, isopropanol or chloroform, but not in acetone or diethyl ether. Polymers with molecular weight under 30,000 can be excreted by the human kidney. It is generally used in cosmetics, surfactants, pharmaceuticals.
Specifications
Cosmetic grade
|
Items
|
K value
|
Vinyprrolione %
|
Moisture %
|
Solid % |
PH(10% in water)
|
Heavy Metals ppm
|
|
K25 (powder)
|
22-28
|
≤0.01
|
≤5.0
|
≥95
|
3-7
|
≤20
|
Pharma Grade
|
ltems
|
K value
|
Impurity A (NVP) ppm |
Impurity B (α-P) %
|
Moisture % |
PH(10% in water) |
Residue on ignition % |
Nitrogen content %
|
Limit of aldehydes ppm
|
Heavy Metals ppm
|
Peroxide ppm
|
Limit of hydrazine ppm
|
Formic acid %
|
|
K25(powder) |
22-28
|
≤10 |
≤3.0
|
≤5.0
|
3-5
|
≤0.1 |
11.5-12.8
|
≤500
|
≤10 |
≤400
|
≤1
|
≤0.5
|
Tech Grade
|
Appearance |
White or off-white powder |
|
K Value(5% in water) |
23-28 |
|
pH( 5% in water) |
3.0-7.0 |
|
N-Vinylpyrrolidone |
0.2% max. |
|
Sulphated Ash |
0.1% max. |
|
Solid Content |
95% min. |
|
Water |
5.0% max. |
Details