Pharma Excipient Polyvinylpyrrolidone K90 PVP K90
Jiaozuo Zhongwei Special Products Pharmaceutical Co., Ltd, is well-known manufacturer of PVP in Jiaozuo City, China with 6500 mt annual production capacity. We focus on PVP/Polyvinylpyrrolidone R&D, manufacturing, marketing and services.
The company is an ISO9001:2000 certified producer, and also holds CEP certificate, REACH REGISTRATION, China Drug-production Enterprise License and Kosher Certificate.
By adopting state-of-art polymerization technology and modern management system, we produce a broad range of PVP polymers to meet the needs of multiple industiries and applications. Most of our products are widel used in Pharmaceuticals, Cosmetics/Personal Care, Beer/Wine/Beverage, Household, adhesives, textile anxiliary, coatings, ink jet, water treatment and other Hi-Tech industries.
We also provide lot-to-lot traceability,responsive services and comprehensive after-sales support. Based on our customers' need, we deliver goods with flexibilty and reliability to serve them better. Our products have been exported to European market, North and South America, Africa, Middle East as well as Asia.
Zhongwei Special Products Pharmaceutical would be your reliable source for high quality PVP polymers.
Physical properties of Povidone K90
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 of Povidone K90
Cosmetic Grade:
Items
|
K value
|
Vinyprrolione %
|
Moisture %
|
Solid % |
PH(10% in water)
|
Heavy Metals ppm
|
K90 (liquid)
|
81-98
|
≤0.01
|
--- |
20±1
|
5-9
|
≤20
|
K90 (powder)
|
85-100
|
≤0.01
|
≤5.0
|
≥95
|
4-7
|
≤20
|
Pharma Grade:
ltem
|
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 %
|
K90(powder) |
85-100 |
≤10 |
≤3.0 |
≤5.0
|
4-7 |
≤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) |
81-100 |
pH( 5% in water) |
5.0-9.0 |
N-Vinylpyrrolidone |
0.2% max. |
Sulphated Ash |
0.1% max. |
Solid Content |
95% min. |
Water |
5.0% max. |
Application
Pharmaceutical:
Povidone is a new and excellent pharmaceutical excipient. It is mainly used as binder for tablet and
pellet, dissolving assistant for injection, flowing assistant for capsule, dispersant for liquid medicine and
pigment, stabilizer for enzyme and heat sensitive drug, coprecipitant for poorly soluble drug, lubricator
and antitoxical assistant for eye drug, PVP has been used as excipients more than one hundred drugs.
Other Utility:
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