POVIDONE K90 Cas no.: 9003-39-8 Appearance: white powder Quality standard: USP/BP/EP Brand: Mtchem

Povidone K90

CTFA Nomenclature: Polyvinylpyrrolidone (Abbreviated to be PVP)

CAS No.: 9003-39-8

  

Properties:

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. 

Applications:

1. Pharmaceutical:Povidone K 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. PVP K Pharmaceutical grade has officially been permitted by China National Drug Administration to be sold in China Market.

2. Cosmetic Grade:

Film-formers, thickeners, lubricants, and binders in hair-setting lotions

Detoxifiers and detergents in shampoos and toothpastes.

Lubricants in skin care products.

Dispersants in hair colors

Coatings and dispersants for pigments.

3. Tech Grade: Anti-redeposition and anti-dye transfer agents in laundry detergents Stabilizers for suspensions, dispersions and emulsions. Protective colloids and polymerization stabilizers in synthetic resins. Protective colloids and dispersants in paints and coatings. Viscosity adjustors in printing inks and writing inks. Auxiliaries in paper coating and strengthening. Stabilizers in carbon black ink or paints.

Specification:a. TECHNICAL GRADE:

K value 81-98 Vinylpyrrolidone≤0.2% Nitrogen 11.5-12.8%

PH value(5% solution) 4.0-7.0 moisture≤5.0% Ash≤0.02%

Heavy Metal (as Pb) < 20ppm

b. COSMETIC GRADE:

K value 81-97.2 Vinylpyrrolidone≤0.2% Solid content < 95-100%

PH value(5% solution) 4.0-7.0 moisture≤5.0% Ash≤0.02%

c. PHARMACEUTICAL GRADE: 

K value 81-98 Vinylpyrrolidone≤0.2% Nitrogen 11.5-12.8%

PH value(5% solution) 4.0-8.0 moisture≤5.0% Ash≤0.02%

Heavy Metal (as Pb) < 10ppm

Aldehyde< 500ppm

Peroxide<  400ppm Sulphated Ash ≤0.1%

Package: 25kg/fiber drum or plastic drum or as required.

PVP-K90 9003-39-8 polyvinylpyrrolidone