CTFA Nomenclature: POLYVINYLPYRROLIDONE(Povidone,PVP)
CAS NO: 9003-39-8
Chemical Description:Homopolymer of 1-Vinly-2-Pyrrolidone,Polyvinylpyrrolidone
Physical Properties:Povidone is a hygroscopic polymer ,which appears white or creamy white powder or flakes,ranging from low to high viscosity & low to high molecular weight,which characterized by K Value. Povidone exists as powder or aqueous solution. It can easily dissolve in water ,alcohol and a variety of organic solvents. It has excellent hygroscopicity, film-forming capability, adhesive,complexing ability physiological compatibility, chemical stability and none toxicity.
Applications:
Povidone is one of the most important excipient in the worldwide for pharmaceutical industry,whatever for human health care products and animal health care products.It's more and more used as:
1)Binder for tables,capsule,
2)Sugar coatings and films,
3)Thickening agent,
4)Solubility Improver for poorly soluble drugs,
5)Bioavailability Enhancer for drug's active ingredients,6)Pore-forming for membrane products.
used in Textiles/Fibers,Adhesives,Coatings/paintings,Laundry/Household detergent,Inks,Ceramics and other hi-tech industries.
Specifications:
| Items |
K25 |
| K value |
23-27 |
| Monomer ppm max |
10 |
| Moisture % max |
5.0 |
| Solid content % max |
95 |
| pH(5% solution) |
3-7 |
| Sulfate ash % max |
0.1 |
| Nitrogen % |
11.5-12.8 |
| Aldehyde ppm max |
500 |
| Heavy metal ppm max |
10 |
| Hydrazine ppm max |
1 |
| Peroxide ppm max |
400 |
Package:
Factory:
Q & C:
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