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CAS 25249-54-1, USP PVPP/Crospovidone for sale

TNJ Chemical produces CAS 25249-54-1PVPP/Crospovidone as Polyvinylpyrrolidone cross-linked, offering best price and good quality etc. If you need to buy PVPP / Crospovidone for sale, please contact sales@tnjchem.com

 

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.

 

Specification

Product
Crospovidone Type A
Crospovidone Type B
Appearance
White or yellowish-white powder or flakes
Identifications
Meet ID Tests
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 Metal
10 ppm max.
10 ppm max.
Particle Size(μm), ≥80%
50-300
5-50

 

Application

In the pharmaceutical industry,Crospovidone are widely used as

1) Disintegrating agent,

2) Stabilizer for suspension,

3) Moisture Absorbent,

4) Complextant of Polyphenols and Tannin for the extract formulations.

 

Packing

20kg, 25kg or 50kg per plastic or fiber drum

 

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