CTFA Nomenclature: POLYVINYLPYRROLIDONE(Povidone,PVP)
CAS NO: 9003-39-8
Product name:Polyvinylpyrrolidone PVP K30
Chemical Description:Homopolymer of 1-Vinly-two,-Pyrrolidone,Polyvinylpyrrolidone
USP and EP Name:Povidone(Povidonum)
Chemical Name:Homopolymer of Vinylpyrrolidone
Physical Properties: PVP exists as powder or aqueous solution. It can dissolve in water and a variety of organic solvents. It has good hygroscopicity, film-forming capability, complexing ability and physiological compatibility.
Specification:
Technical grade
| |
K15 |
K17 |
K25 |
K30 |
K90 |
| K value |
13-17 |
15-19 |
23-27 |
27-33 |
88-98 |
| N-Vinylpyrrolidone (Impurity A) |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
| Moisture % max |
5.0 |
5.0 |
5.0 |
5.0 |
5.0 |
| pH value(5%in aqueous solution) |
3.0-5.0 |
3.0-5.0 |
3.0-5.0 |
3.0-5.0 |
4.0-7.0 |
| Sulphate Ash % max |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
| Nitrogen content % |
11.5-12.80 |
11.5-12.80 |
11.5-12.80 |
11.5-12.80 |
11.5-12.80 |
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.
Pharmaceutical grade(USP/EP/BP/JP)
| |
K15 |
K17 |
K25 |
K30 |
K90 |
| K value |
13-17 |
15-19 |
23-27 |
29-32 |
88-98 |
N-Vinylpyrrolidone
(Impurity A) |
(CP/USP) %max |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
| (USP/EP/BP) ppm max |
10 |
10 |
10 |
10 |
10 |
| Moisture % max |
5.0 |
5.0 |
5.0 |
5.0 |
5.0 |
| Solid content % min |
95 |
95 |
95 |
95 |
95 |
| pH value(5%in aqueous solution) |
3.0-5.0 |
3.0-5.0 |
3.0-5.0 |
3.0-5.0 |
4.0-7.0 |
| Sulphate Ash % max |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
| Nitrogen content % |
11.5-12.80 |
11.5-12.80 |
11.5-12.80 |
11.5-12.80 |
11.5-12.80 |
| 2,-Pyrrolidone (Impurity B) % max |
3.0 |
3.0 |
3.0 |
3.0 |
3.0 |
| Aldehyde(as acetaldehyde) ppm max |
500 |
500 |
500 |
500 |
500 |
| Heavy metal (as Pb) ppm max |
10 |
10 |
10 |
10 |
10 |
| Hydrazine ppm max |
1 |
1 |
1 |
1 |
1 |
| Peroxide(As H2O2) ppm max |
400 |
400 |
400 |
400 |
400 |
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.
Customized: PVP K30 40% Liquid Solution
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