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79911

Sigma-Aldrich

Kollidon® SR

Synonym(s):

Polyvinyl acetate-Polyvinylpyrrolidone mixture

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About This Item

UNSPSC Code:
12162002
NACRES:
NA.25

form

powder

Quality Level

100

composition

polyvinylacetate, 76.0-82.0% (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

≤1.7% (verified on random samples only)

loss

≤4.0% loss on drying

pH

4.0-5.0 (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

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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