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Products
Chemical Name:PVP-K 
Cas No.:9003-39-8 
Molecular Formula:(C6H9NO)n 
Molecular Structure: 

Product Introduction
PVP exists as white or yellowish powder and aquous solution. It can dissolve in water and a variety of organic solvents. It has good hygroscopicity, film-forming capability, complexing ability and physiology compatibility.
Specification
Technical Grade
Product Name K value N-vinylpyrrolidone 
%
Moisture
%
residue on ignition
%
Solid
%
PH
(10%in water)
K17(powder) 15-18.4 <0.1 <5.0 <0.1 >95 3-7
K30(powder) 27-33 <0.1 <5.0 <0.1 >95 3-7
K30( aqueous solution) 27-33 <0.1 -- <0.1 30±1 5-8
K90(powder) 81-97 <0.1 <5.0 <0.1 >95 3-7
K90(aqueous solution) 81-97 <0.1 -- <0.1 20±1 5-9 
K120(aqueous solution) 110-130 <0.1 -- <0.1 10.5-11.5 5-9

Pharmaceutical Grade 

Product Name K value N-vinylpy
rrolidone%
moisture 
%
residue on ignition% heavy metal
ppm
Aldehydes
%
Nitrogen
%
Hydrazine
ppm
Peroxide
ppm
PHvalue
(10%inwater)
K17(powder) 15-18.4 <0.1 <5.0 <0.1 <10 <0.05 11.5-12.8 <1 <400 3-7
K30(powder) 27-33 <0.1 <5.0 <0.1 <10 <0.05 11.5-12.8 <1 <400  3-7
K90(powder) 88-96 <0.1 <5.0 <0.1 <10 <0.05 11.5-12.8 <1 <400 3-7
K90(20% solution) 81-97 <0.1 -- <0.1 <10 <0.05 11.5-12.8 <1 <400 5-9

Packing and Storage
Liquid is packed in 200kg/galvanized drum; solid is packed in 25kg/paper drum.

Application
Cosmetics: 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, hair-dying reagent and shampoo in hair-care products. They can be used as assistant in skin-care products, eye makeup, lipstick, deodorant, sunscreen and dentifrice.
Pharmaceutical: Povidone K30 and K90 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, lubricator and antitoxic assistant for eye drug. PVP works as excipients in more than one hundreds drugs.
Other Utilities: Also used as assistant in the realm of Paint and Coating, Plastics and Resin, Adhesives, Glass Fiber, Film, Ink, TV tube, Detergent, Biocide, Tabulating, Textile Dying and Printing, etc.

 



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