Products
Crospovidone

Product Name:Crospovidone

INCI Name:Insoluble PVP

CAS NO.: 9003-39-8

Formula: (C6H9NO)n

Refference:Current USP/NF/EP/BP

Properties: Crospovidone is hygroscopic,insoluble in water and all other common solvents,but it swells rapidly in aqueous solutbition without any gel froms.Its; classified as Crospovidone Type A and Type B according to the different particle size.

Key Technical Parameters:

Product

Crospovidone Type A

Crospovidone Type B

Appearance

White or yellowish-white powder or flakes

 

 

Identifications

A.Infrared Absorption

B.No blue color develops.

C.A Suspension is formed and no clear solution is obtained within 15 min.

D.Majority of particles are in the range 50 ~300 μm is type A,majority of particles are in the range 5~50 μm

Solubility

Practically insoluble in water,in alcohol and in methylene chloride

Water- soluble substances

1.0% max

1.0% max

pH((1% in water)

5.0 –8.0

5.0 –8.0

Loss on Drying

5.0% max.

5.0% max.

Sulphated Ash

0.1% max.

0.1% max.

Nitrogen content

11.0 -12.8 %

11.0 -12.8 %

Impurity A

10 ppm max.

10 ppm max.

Peroxide(As H2O2)

400 ppm max.

1000 ppm max.

Heavy Metals

10 ppm max.

10 ppm max.

Applications:Crospovidone are widely used as 1)Disintergrating agent,2)Stabilizer for suspension,3)Moisture Absorbent, 4)Complextant of Polyphenols and Tannin for the extract formulations.

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