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Merck
CN

79911

Kollidon® SR

Synonym(s):

Polyvinyl acetate-Polyvinylpyrrolidone mixture

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About This Item

NACRES:
NA.25
UNSPSC Code:
12162002
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form

powder

Quality Segment

composition

polyvinylacetate, 76.0-82.0% (saponification value * 0.1534), povidone, 18.0-21.0 (N content/0.126)

impurities

≤100 ppm vinyl acetate, ≤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

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable



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