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Polyvinylpolypyrrolidone/ PVPP/ Crospovidone
USP/EP Name: Crospovidone/PVPP
Chemical Name: Crosslinked Polyvinlypyrrolidone; Polyvinylpolypyrrolidone; PVPP
CTFA Name: Insoluble PVP
CAS NO.: 25249-54-1; 9003-39-8
Molecular Formula: (C6H9NO)n
Physical properties:
White or milky powder, free flowing powder with odorless or faint characteristic smell. It's insoluble in water, acid, alkali and other common organic reagents; it can swell in water easily and can complex with polyphenol, carboxylic acids and other low molecular weight compounds.
Specification:
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PVPP/Crospovidone (USP)
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Specification
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Moisture %
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≤5.0
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Soluble components %
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≤1.0
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Monomers ppm
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≤10
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PH of 1% aqueous solution
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5-8
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Heavy metalsppm
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≤10
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Nitrogen %
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11.0-12.8
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Sulfate ash %
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≤0.1
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Peroxide( as H2O2) ppm
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≤400
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Applicantion:
1. Pharmaceutical Grade:
Used as disintergrant for table pill, particle-like granule and capsule drug in Pharmaceutical industry.
2. Food Grade:
Used as stabilizer for beer, wine, vingar, juice and beverage to leave no residue, prolong their storage life and improve the taste.
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