PVP-K Homopolymer Series
Description: PVP exists as powder or aqueous solution. It can dissolve in water and variety of organic solvent .It is generally used in cosmetics , surfactants , pharmaceutical industry and other related industrial fields.
CTFA Nomenclature : Polyvinylpyrrolidone (Abbreviated to be PVP)
CAS No. : 9003-39-8
Chemical Structure : 
Packaging :
Povidone K-25/30 USP28/EP5.0
|
|
PVP K-30 Tech. & Cosmetic Grade |
PVP K-90 |
Specification :
1,Application: PVP K series can be used as film forming agent, viscosity-enhancement agent, lubricator and adhesive. They are the key component of hair sprays, mousse, gels and lotions & solution. They are also convenience assistant in skin care product, hair-drying reagent, shampoo, eye makeup, lipstick, deodorant, sunscreen and dentifrice.
2,Pharmaceutical: Povidone K 30 and K 25 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 pigment, stablizer for enzyme and heat sensitive drug, coprecipitant for poorly soluble drugs, lubricator and antitoxical assistant of eye drug. PVP has been used as excipients in more than one hundred drugs.
3,Other Utility:
|
Suspensant, disperser and emulsifier |
|
Plastics and resin |
|
Glass fiber |
|
Ink |
|
Detergent |
|
Textile dying and printing |
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Paint and coating |
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Adhesive |
|
Film |
|
TV tube |
|
Tabletting |
|
|
Specification :
Technical grade:
Catalog of product
|
K value |
Vinylpy
rrolidone%
|
Moisture% |
Ash% |
Solid% |
pH
(5% in water) |
K30(powder) |
27-33 |
<0.2 |
<5.0 |
<0.02 |
>95 |
3-7 |
K30(aqueous solution) |
27-33 |
<0.2 |
- |
<0.02 |
30? |
5-8 |
K90(aqueous solution) |
90-103 |
<0.2 |
- |
<0.02 |
20? |
7-10.5 |
Pharmaceutical grade :
Specification |
Grade |
K Value |
PH(10%aqueous solution) |
N-vinyl-2-pyrrolidone |
K17 |
USP26th/USP27th |
16.0-18.0 |
3.0-5.0 |
<0.2% |
K17 |
USP28th/EP5.0 |
14.5-19.6 |
3.0-5.0 |
<10 ppm |
K25 |
USP26th |
22.5-27.0 |
3.0-5.0 |
<0.2% |
K25 |
USP28th/EP5.0 |
22.5-27.0 |
3.0-5.0 |
<10 ppm |
K30 |
USP26th |
27.0-32.4 |
3.0-5.0 |
<0.2% |
K30 |
USP28th/EP5.0 |
27.0-32.4 |
3.0-5.0 |
<10 ppm |
Specification |
a-pyrrolidone,% |
Loss on drying,% |
Sulfated ash,% |
Heavy metal,ppm |
K17 |
--- |
<5 |
<0.1 |
<10 |
K17 |
<3 |
<5 |
<0.1 |
<10 |
K25 |
--- |
<5 |
<0.1 |
<10 |
K25 |
<3 |
<5 |
<0.1 |
<10 |
K30 |
--- |
<5 |
<0.1 |
<10 |
K30 |
<3 |
<5 |
<0.1 |
<10 |
Specification |
Nitrogencontent , % |
aldehyde , ppm |
Peroxide , ppm |
Hydrazine , ppm |
K17 |
11.5-12.8 |
<500 |
--- |
<1 |
K17 |
11.5-12.8 |
<500 |
<400 |
<1 |
K25 |
11.5-12.8 |
<500 |
--- |
<1 |
K25 |
11.5-12.8 |
<500 |
<400 |
<1 |
K30 |
11.5-12.8 |
<500 |
--- |
<1 |
K30 |
11.5-12.8 |
<500 |
<400 |
<1 |
|
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