PVP K15
CTFA Nomenclature: POLYVINYLPYRROLIDONE(PVP,
Povidone(Povidonum))
Chemical Description:Homopolymer of 1-Vinly-2-Pyrrolidone,Polyvinylpyrrolidone
CAS NO: 9003-39-8
Physical Properties:
PVP exists as powder or aqueous solution.,and being supplied in a wide molecular weight range.
It can dissolve in water and a variety of 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.
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:
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 |
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 |
| Two-Pyrrolidone (Impurity B) % max |
3.0 |
3.0 |
3.0 |
3.0 |
3.0 |
| Aldehyde 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 |
Package:
25kg per drum
Factory:
Q & C:
Payment & Delivery:
Audited Supplier 
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