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VP/VA Copolymers (Pharmaceutical Grade)

 

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

 

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

 

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.

 

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 %


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CONTACT US

  • Fax: +86-731-84421482
  • E-mail: sinogreat@sinogreat.cn
  • Tel: +86-731-84427351
  • Add: RM. 2010, Tian xin cheng (South) 154 Jianxiang South Road, Changsha, Hunan, 410005, China.
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