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Sigma-Aldrich

Kollidon® SR

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Synonym(s):
Polyvinyl acetate-Polyvinylpyrrolidone mixture
NACRES:
NA.25

form

powder

Quality Level

100

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)

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.

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.

Legal Information

Kollidon is a registered trademark of BASF SE

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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