Product Name: Polyvinylpyrrolidone, which is written “PVP” for short.
Molecular formula: [C6H9NO]n.
Properties: PVP exists as powder or aqueous solution. It can be dissolved in water and varieties of organic solvent and its hygroscopic ability, film-forming capability, complexing ability and physiology compatibility are good.
Quality Standard: CP2005/USP
| Items | K15 | K17 | K25 | K30 | K60 | K90 | |
| Appearance | White or off-white powder | ||||||
| K value | 12.75-17.25 | 15.3-18.36 | 22.5-27.0 | 27-32.4 | 54-64.8 | 81-97.2 | |
| N-Vinylpyrrolidone | (CP2005/USP26) %max | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
| Moisture % max | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | |
| Solid content % min | 95 | 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 | 4.0-7.0 | |
| Sulphate Ash % max | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | |
| Nitrogen content % | 11.5-12.8 | 11.5-12.8 | 11.5-12.8 | 11.5-12.8 | 11.5-12.8 | 11.5-12.8 | |
| 2-Pyrrolidone (Impurity B) % max | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | |
| Aldehyde(as acetaldehyde) ppm max | 500 | 500 | 500 | 500 | 500 | 500 | |
| Heavy metal (as Pb) ppm max | 10 | 10 | 10 | 10 | 10 | 10 | |
| Hydrazine ppm max | 1 | 1 | 1 | 1 | 1 | 1 | |
| Peroxide(As H2O2) ppm max | 400 | 400 | 400 | 400 | 400 | 400 | |
Usage:
In field of cosmetic: PVP series can be used as filming-agent, viscosity-enhance agent, lubricator and adhesive. They are the key component of hair sprays, mousse, gels and lotions, hair-dring reagent and shampoo in hair-care products and the key component of lip-stick, sunscreen cream and lotions in skin-care products and also that of eye makeup, deodorant and dentifrice, etc.
In field of pharmaceutical: PVP K30 is a new and excellent pharmaceutical excipient. It is mainly used as binder for tablet, dissolving assistant for injection, flow assistant for capsule, dispersant for liquid medicine and stain, stabilizer for enzyme and heat sensitive drug, coprecipitant for poorly soluble drugs, extending effective agent, lubricator and coating film forming agent for eye drug.
In the field of other usages: Paint and coating, plastics and resin adhesive, glass fiber, film, ink, TV tube, detergent, biocide, tabulating assistant, textile dyeing and printing, etc.
Package: Fibre drums of 25kgs net weight.
Storage and transport: Keep it in shady, cool and ventilation warhouse, far away from fire and heat source, separate from oxidizer. Be cautious of loading and unloading. Prevent package form damage. Avoid leakage.
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