CTFA name: Poly Vinyl Pyrrolidone (ab. PVP) CAS NO.:9003-39-8
Products properties: White or off-white powder and clear aquous solution.
Soluble in water and a variety of organic solvents. PVP K90 also offerlow toxicity, good film-forming capacity, good stability, physiollgical inertness and adhesive ablility.
Pharmaceutical grade PVP-K series(CP2005,USP28)
|
Items |
K-90 |
|
K value |
81-97 |
|
N-vinylpyrrolidone% |
≤0.1 |
|
Water% |
≤5.0 |
|
Residue on ignition% |
≤0.1 |
|
PH value(5%water solution) |
3-7 |
|
N%(nitrogen) |
11.5-12.8 |
|
Aldehyde as acetaldehyde% |
≤0.05 |
|
Heavy metal as pb.(PPM) |
≤10 |
|
Hydrazines(PPM) |
≤1 |
|
Peroxides%(H2O2) |
≤400 |
Technical Grade PVP-K series
|
Items |
K-90(aq.) |
|
K value |
90-103 |
|
N-vinylpyrrolidone% |
≤0.2 |
|
Water% |
|
|
Residue on ignition% |
0.1≤ |
|
PH value(5%water solution) |
5-9 |
|
Solid content% |
20±1 |
Cosmetics: PVP-K 90 can be used as dispersant, film-forming agent, viscosity-enhanceme
-nt agent, lubricator and adhesive. They are used either in hair-care products, such as hair sprays, mousse, gelsand lotion, shampoo and hair-duing reagent, or in skin-care products, such as lipstick, sunscreen and modifier, deodorant and dentifrice.
Pharmaceutical: Povidone K90 is one of new pharmaceutical excipients. It is used as binder for tablet and granule, dissolving assistant and stabilizer for injection ,flow assistant for capsule, dispersant for liquid medicine and stain, stabilizer for enzyme and heat sensitive drug ,coprecipitant for poorly soluble drugs ,lubricator and antitoxic assistant for eye drug and film-fromng agent for coating. PVP works as excipient in more than one hundred drugs. PVP K30 (pharmaceutical grade, povidone K30)has been permitted by China National Drug Administration to be sold in China Market.
Other Utilities: PVP-K90 also used as assistant in the realm of paint and coating, pigments, plastics and resin, glass fiber, inks, adhesives, detergents, films, TV tube, tabulating, rubberized, disinfector, paper, textile dying and printing, etc.
Package: 25kgs and 50kgs fabric drum inner-lined two-double PE bags.
Storage: Store in a dry place at room temperature. Keep tightly closed and protect from light.