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79911 Sigma

Kollidon® SR

Synonym: Polyvinyl acetate-Polyvinylpyrrolidone mixture

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Properties

Related Categories Binders & Fillers, Biochemicals and Reagents, Excipients for R&D Use Only, Hydrophilic Polymers, Materials Science,
composition   polyvinylacetate, 75.0-85.0% (saponification value * 0.1534)
  povidone, 18.0-21.0 (N content/0.126)
impurities   ≤100 ppm vinyl acetate
  ≤20 ppm heavy metals (verified on random samples only)
  ≤5000 ppm residual solvents (acetic acid, acetate, formic acid (GLC)
ign. residue   ≤2.00% (verified on random samples only)
loss   ≤5.0% loss on drying
pH   3.5-5.5 (10% in H2O)

Description

Application

Kollidon SR is a blend of polyvinyl acetate and povidone (K 30) in the ratio 8:2 used in the pharmaceutical industry as a matrix-forming agent. This research grade product is intended for use in R&D and development only.

General description

The Kollidon products consist of soluble and insoluble grades of polyvinylpyrrolidone (PVP) of various molecular weights and particle sizes. The polymers are used as dry binders, film-formers, stabilizers in suspensions, dispersants for pigments, enzyme stabilizers, and for improvement of bioavailability.

Legal Information

Kollidon is a registered trademark of BASF SE

Price and Availability


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Safety & Documentation

Safety Information

WGK Germany 
3

Documents

Certificate of Analysis

Protocols & Articles

Peer-Reviewed Papers

References

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Merck 14,7697

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