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Polyvinylpyrrolidone Cross-linked/PVPP CAS 25249-54-1

PVPP CAS 25249-54-1 (1)
PVPP CAS 25249-54-1 (2)
PVPP CAS 25249-54-1 (3)
PVPP CAS 25249-54-1 (1)
Polyvinylpyrrolidone Cross-linked/PVPP Quick Details

Polyvinylpyrrolidone Cross-linked (PVPP) is a cross-linked polymer that ispolymerized from vinyl pyrrolidone monomer under specific conditions and is insoluble in water, strong acids, strong bases and general organic solvents. As an important polymer fine chemical product, PVPP has manyexcellent and unique properties and has been widely used in cosmetics, food,medicine and other fields.

  • CAS No.: 25249-54-1
  • Molecular Formula: C6H9NO
  • Molecular Weight: 111.14
  • Appearance: White to yellowish white, hygroscopic powder
Polyvinylpyrrolidone Cross-linked/PVPP Specification
Item Specification
Peroxides(as H2O20), ppm ≤400
Water-soluble substance, % ≤1.0
Impurity A(1-vinylpyrrolidone-2-one), ppm ≤10
Heavy metals, ppm ≤10
Loss on drying, % ≤5.0
Sulphated ash, % ≤0.1
Assay, % 11.0-12.8
Average particle size, Type A, um 100
Average particle size, Type B, um 30
Polyvinylpyrrolidone Cross-linked/PVPP Application
  • Disintegrant for tablets, granules and hard gelatin capsules;
  • Stabilizer for oral and topical suspensions;
  • PVPP can be very efficiently used in the beverage and brewing industries to improve the stability and extend the storage period.



Store in dry place at room temperature.


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