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Cellacefate
Cellulose, acetate, 1,2-benzenedicarboxylate;
 Cellulose acetate phthalate [9004-38-0]

DEFINITION

Cellacefate is a reaction product of phthalic anhydride and a partial acetate ester of cellulose. It contains NLT 21.5% and NMT 26.0% of acetyl (C2H3O) groups and NLT 30.0% and NMT 36.0% of phthalyl (o-carboxybenzoyl) (C8H5O3) groups, calculated on the anhydrous, acid-free basis.

USP REFERENCE STANDARDS FOR PURCHASE

USP Cellacefate RS
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