Technical Grade PVP
Product Name:Polyvinylpyrrolidone
Chemical Description:Homopolymer of 1-Vinly-2-Pyrrolidone,Polyvinylpyrrolidone
INCI/CTFA:PVP
CAS NO.:9003-39-8
Formula structure:
Product Properties:Technical grade PVP(PVP K Series) products are existing as powder and water solution form,and being supplied in a wide molecular weight range,easily dissolve in water,alcohol and other organic solvents.They are highly hygroscopicity,excellent film-forming capacity,adhesiveness and chemical stability,none toxicity.
Applications: Technical grade PVP are being used in Textiles/Fibers,Adhesives,Coatings/paintings,Laundry/Household detergent,Inks,Ceramics and other hi-tech industries.
Specifications:
Pharmaceutical Grade PVP
Product Name:Polyvinylpyrrolidone
Chemical Description:Homopolymer of 1-Vinly-2-Pyrrolidone,Polyvinylpyrrolidone
INCI/CTFA:PVP
Pharmacopeia Name:Povidone(Povidonum)
CAS NO.:9003-39-8
Formula structure:
Product Properties: Povidone is a hygroscopic polymer ,supplied in white or creamy white powder or flakes,ranging from low to high viscosity & low to high molecular weight,which characterized by K Value.It's easily soluble in water and many other organic solvents,with excellent hygroscopisty,film-forming,adhesive,chemical stability and toxicological safeness characters.
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.
Specifications:
| TEST ITEMS | SPECIFICATIONS | TEST VALUE |
| Appearance | White powder | Conforms |
| Identification | conforms | Conforms |
| K Value | 15-19 | 17.26 |
| Monomer ppm | ≤ 10 | < 10 |
| Moisture % | ≤ 5.0 | 3.1 |
| Sulfate ash % | ≤ 0.1 | 0.051 |
| PH value | 3-7 | 3.55 |
| Nitrogen % | 11.5-12.8 | 11.96 |
| Aldehyde (as acetaldehyde) % | ≤ 0.05 | < 0.05 |
| Heavy metal (as lead) ppm | ≤ 10 | < 10 |
| Hydrazine ppm | ≤ 1.0 | < 1.0 |