Polyvinyl pyrrolidone
Polyvinyl pyrrolidone(PVP) CAS.: 9003-39-8
Polyvinyl pyrrolidone, abbreviated as PVP, is a non-ionic polymer compound and the most distinctive and extensively studied fine chemical among N-vinylamide polymers. It has developed into three categories: non-ionic, cationic, and anionic, with three specifications: industrial grade, pharmaceutical grade, and food grade. It is a series of homopolymers, copolymers, and crosslinked polymers with relative molecular weights ranging from thousands to over one million, and has been widely used for its excellent and unique properties.
Pharmaceutical grade PVP-Kseries (USP26, USP27)
Polyvinyl pyrrolidone Product Index
|
Product Code
|
||
|
K-30
|
K-90
|
|
| K value |
27-32
|
81-97
|
| Residual monomer% |
¡Ü0.2
|
¡Ü0.2
|
| Moisture% |
¡Ü5.0
|
¡Ü5.0
|
| Residue on ignition % |
¡Ü0.1
|
¡Ü0.1
|
| pH value (5% aqueous solution) |
3-7
|
3-7
|
| Nitrogen content % |
11.5-12.8
|
11.5-12.8
|
| Aldehyde %(calculated as acetaldehyde) |
¡Ü0.05
|
¡Ü0.05
|
| Heavy metals ppm(as lead) |
¡Ü10
|
¡Ü10
|
| Hydrazine (PPM) |
¡Ü1
|
¡Ü1
|
| Peroxide ppm(H2O2) |
¡Ü400
|
¡Ü400
|
Polyvinyl pyrrolidone Scope of application:
¡ö Cosmetics industry:PVP-K series in the cosmetics industry as a dispersant, film-forming agent, thickener, lubricant and adhesive, can be used in hair care products such as hair spray, mousse, hair gel, styling liquid, perfume and hair perm agent;Skin care products such as lip balm, sunscreen, and other cosmetics such as conditioner, deodorant, toothpaste, etc.
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