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Pharmaceutical Grade PVP

Product Name:Polyvinylpyrrolidone
Chemical Description:Homopolymer of 1-Vinly-2-Pyrrolidone,Polyvinylpyrrolidone,PVP
INCI/CTFA:PVP
Pharmacopeia Name:Povidone(Povidonum)
CAS NO.:9003-39-8
 
Formula structure:
 1-1.jpg       
Product Properties: Povidone is a hygroscopic polymer ,supplied in white to creamy white powder or flakes,ranging from low to high viscosity & low to high molecular weight,which characterized by K Value.It’s easily soluble in water and many other organic solvents,with excellent hygroscopisty,film-forming,adhesive,chemical stability and toxicological safeness characters.
 
Applications:Povidone is one of the most important excipients in the worldwide for pharmaceutical industry,whatever for human health care products and animal health care products.Which used as:1)Binder for tables,capsule,2)Sugar coatings and films,3)Thickening agent,4)Solubility Improver for poorly soluble drugs,5)Bioavailability Enhancer for drug’s active ingredients,6)Pore-forming for membrane products.
 
Specifications:

Product

Povidone K15

Povidone K17

Povidone K25

Povidone K30

Povidone K60

Povidone K90

Appearance

White or yellowish-white,hygroscopic powder or flakes

Solubility

Freely soluble in water,in ethano(96%) and in methanol,very slightly soluble in acetone.

Appearance of Solution

Clearly and not moren intensely coloured than reference solution B6,BY6 or R6

Identifications

Meet ID Tests

pH Value(5% in aqueous solution)

3.0-5.0

3.0-5.0

3.0-5.0

3.0-5.0

4.0-7.0

4.0-7.0

Viscosity(Expressed as K Value)

12.75-17.25

15.3-18.36

22.5-27.0

27.0-32.4

54.0-64.8

81.0-97.2

Adehydes(Expressed as Acetaldehyde)

500 ppm max.

500 ppm max.

500 ppm max.

500 ppm max.

500 ppm max.

500 ppm max.

Peroxides(Expressed as H2O2)

400ppm max.

400 ppm max

400 ppm max

400 ppm max

400 ppm max

400 ppm max

Formic Acid

0.5% max.

0.5% max.

0.5% max.

0.5% max.

0.5% max.

0.5% max.

Hydrazine

1ppm max.

1ppm max.

1ppm max.

1ppm max.

1ppm max.

1ppm max.

 

N-Vinylpyrrolidone(Impurity A)

USP26

1000 ppm max.

1000 ppm max.

1000 ppm max.

1000 ppm max.

1000 ppm max.

1000 ppm max.

Current USP/EP/BP

10 ppm max.

10 ppm max.

10 ppm max.

10 ppm max.

10 ppm max.

10 ppm max.

2-Pyrrolidone(Impurity B)

3.0% max.

3.0% max.

3.0% max.

3.0% max.

3.0% max.

3.0% max.

Heavy Metals(as Pb)

10 ppm max.

10 ppm max.

10 ppm max.

10 ppm max.

10 ppm max.

10 ppm max.

Water

5.0% max.

5.0% max.

5.0% max.

5.0% max.

5.0% max.

5.0% max.

Sulphated Ash

0.1% max.

0.1% max.

0.1% max.

0.1% max.

0.1% max.

0.1% max.

Nitrogen Content

11.5-12.8%

11.5-12.8%

11.5-12.8%

11.5-12.8%

11.5-12.8%

11.5-12.8%

Links

BAIDU WellTone
Copyright:Shanghai WellTone Material Technology Co., Ltd    ADD:Room 501,No.218,Hengfeng Road,Shanghai,200070,China.   TEL:021-60821021   Email:market@povidone.com.cn    
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