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02286 Sigma-Aldrich

Kollidon® 25

Synonym: PVP, Polyvidone, Polyvinylpyrrolidone, Povidone

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Properties

Related Categories Binders & Fillers, Biochemicals and Reagents, Excipients for R&D Use Only, Hydrophilic Polymers, Materials Science,
application(s)   sample preservation: suitable
impurities   ≤1 ppm hydrazine
  ≤10 ppm heavy metals (verified on random samples only)
  ≤10 ppm lead (verified on random samples only)
  ≤10 ppm vinylpyrrolidinone
  ≤3.0% 2-pyrrolidone
  ≤400 ppm peroxides (as H2O2)
  ≤5.0% water
  ≤500 ppm aldehydes (as acetaldehyde)
  ≤5000 ppm formic acid
  12.0-12.8% nitrogen (anhydrous basis)
ign. residue   ≤0.1% (verified on random samples only)
pH   3.0-5.0
suitability   complies for Infrared spectrum

Description

Application

The Kollidon products consist of soluble and insoluble grades of polyvinylpyrrolidone (PVP) of various molecular weights and particle sizes. It is used as dry binders, film-formers, stabilizers in suspensions, dispersants for pigments, enzyme stabilisiers and bioavailablility improvers.
Kollidon SR is a blend of polyvinyl acetate and povidone (K 30) in the ratio 8:2 for use as matrix-forming agent. This research grade product is intended for use in R&D and development only.

Other Notes

Polyvinylpyrrolidone is a component of Denhardt′s Solution and is included at a concentration of 1% (w/v) in the standard 50X stock solution.

Legal Information

Kollidon is a registered trademark of BASF SE

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
1
RTECS 
TR8370000

Documents

Certificate of Analysis (COA)

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Protocols & Articles
Peer-Reviewed Papers
15

References

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