TNJ Chemical produces CAS 25249-54-1, PVPP/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
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White or yellowish-white powder or flakes
|
|
Identifications
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Meet ID Tests
|
|
Solubility
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Practically insoluble in water,in alcohol and in methylene chloride
|
|
Water- soluble substances
|
1.0% max
|
1.0% max
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pH((1% in water)
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5.0 -8.0
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5.0 -8.0
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Loss on Drying
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5.0% max.
|
5.0% max.
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Sulphated Ash
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0.1% max.
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0.1% max.
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Nitrogen content
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11.0 -12.8 %
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11.0 -12.8 %
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Impurity A
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10 ppm max.
|
10 ppm max.
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Peroxide(As H2O2)
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400 ppm max.
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1000 ppm max.
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Heavy Metal
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10 ppm max.
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10 ppm max.
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Particle Size(μm), ≥80%
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50-300
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5-50
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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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