Pharmaceutical Grade VP/VA Copolymers

  • CasNo:Pharmaceutical Grade VP/VA Copolymers
  • Molecular Formula:25086-89-9
  • Purity:
  • Molecular Weight:
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Product Details

Product Name:Copvodione

Chemical Description:Vinylpyrrolidone with Vinyl Acetate Copolymer,PVP/VA 64 Powder

INCI/CTFA:VP/VA Copolymer

Pharmacopeia Name:Copovidone(Copovidonum)

CAS NO.:25086-89-9

Formula structure:

Properties: White or creamy white,free-flowing power with characteristic smell,hygroscopic.Good solubility in water,alcohol and other organic solvents.

 

Specifications:

Appearance

White to creamy white,free-flowing powder

K Value(Labled K value at 30)

27-32.4

Aldehyde

500 ppm max.

Peroxide

400 ppm max.

Hydrazine

1 ppm max.

Monomers(Residue VP+Residue VA)

0.1% max.

Impurity A(2-Pyrrolidone)

0.5% max.

Heavy Metals

20 ppm max.

Moisture

5.0% max.

Sulphated Ash

0.1% max.

VA content

35.3-42% max.

Nitrogen

7.0-8.0 %

 

 

Applications:

In view of it’s excellent adhesiveness ,film hard and other properties,

Copovidone mainly used as water-soluble binder and dry binder in

wet/direct granulation processes,also it can be used as film forming materials.