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1-Ethenyl-2-pyrrolidinone homopolymer PVP

Povidone is a synthetic polymer consisting essentially of linear 1-vinyl-2-pyrrolidinone groups, the degree of polymerization of which results in polymers of various molecular weights. Povidone can be applied in different types of pharmaceutical formulations. Primarily it's used in solid-dosage forms. In tablets it is commonly used as a binder.
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Primary function
Typical use level
0.5 - 5%
Physical data

  • Occurs as a fine, white to creamy-white, odourless or almost odourless, hygroscopic powder.
  • Bulk density: 0.29 - 0.39 g/cm³
  • Tapped density: 039 - 0.54 g/cm³
  • Soluble in water, ethanol, methanol

Benefits / Claims
Commercially available in different grades that can meet the specific requirements of each type of formulation. Added in solution or as dry powder and wetted, it provides the binding properties needed for granule formation in wet processes and enhances ribbon formation in roller compaction.
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