CTFA Nomenclature

 

CAS NO

 
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PVP K90
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PVP-K Homopolymer series

Chemical Structure:

 Homopolymer of vinylpyrrolidone

CTFA Nomenclature

 

CAS NO

Molecular Formula

:

: POLYVINYLPYRROLIDONE（Povidone，PVP）

 

:

   9003-39-8

   (C6H9NO)n

 

 

Physical Properties:

 PVP exists as white or milk white powder or colorless or slight yellow transparent liquid. It can dissolve in water and a variety of organic solvents. It has good hygroscopicity, film-forming capability, complexing ability and physiological compatibility.

 

Specification:

 

Technical grade

Catalog of product

K value

Vinyl pyrrolidone%

Moisture%

Ash%

Solid%

PH (5% in water)

K30 (powder)

27-33

<0.2

<5.0

<0.1

>95

3-7

K90 (aqueous solution)

90-103

<0.2

 

<0.1

20±1

7-10.5

 

Pharmaceutical grade(CP2005/USP27)

 

Items

K17

K25

K30

K90

K value

15-19

23-27

29-32

88-96

Monomer % max

0.1

0.1

0.1

0.1

Moisture % max

5.0

5.0

5.0

5.0

Solid content % max

95

95

95

95

pH(5% solution)

3-7

3-7

3-7

5-9

Sulfate ash % max

0.1

0.1

0.1

0.1

Nitrogen %

11.5-12.8

11.5-12.8

11.5-12.8

11.5-12.8

Aldehyde ppm max

500

500

500

500

Heavy metal ppm max

10

10

10

10

Hydrazine ppm max

1

1

1

1

Peroxide ppm max

400

400

400

400

 

Application:

  

Cosmetics：

PVP-K series can be used as film-forming agent, viscosity-enhancing agent, lubricator and adhesive in hair sprays, mousse, hair-fixing gels and solution. They are also useful auxiliary materials in skin-care product, hair-dying reagent, shampoo, lipstick, deodorant, sunscreen and dentifrice.

Pharmaceutical:

PVP-K30 (Pharmaceutical grade) is a kind of new excellent pharmaceutical excipient. It is mainly used as binder for tablet and granule, dissolving assistant for injection, flow assistant for capsule, dispersant for liquid medicine and pigment,stabilizer for enzyme and heat-sensitive drug, coprecipitant for poorly soluble drugs, lubricator and antitoxic assistant for eye drug. PVP has been used as excipient in more than one hundred drugs.

Other Utility：

Basic Product Details

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Contact Information
  • Company Name：Shanghai Dexiang Medicine Tech Co.,Ltd
  • Contact Person：Mr Wu Dexiang
  • Telephone：0086-21-55512698
  • Fax：0086-21-65615060
  • Email：dxpvp@dexiang.net.cn
  • Website：www.dexiang.net.cn
  • Country/Territory：China
  • Address：No. 103, Building 2, 181 Wenshui Road east, Shanghai, 200437, China
  • Zipcode：
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