Cellulose acetate phthalate

Product name:Cellulose acetate phthalate
CAS: 9004-38-0
Molecular Formula: C116H116O64
Molecular weight:2534.12
Appearance:white powder
Purity:99%
Storage:Avoid exposure to sunlight,Keep dry
Product description :Cellulose acetate phthalate, also known as cellacefate and cellulosi acetas phthalas, is a commonly used polymer phthalate in the formulation of pharmaceuticals, such as the enteric coating of tablets or capsules and for controlled release formulations. It is a cellulose polymer where about half of the hydroxyls are esterified with acetyls, a quarter are esterified with one or two carboxyls of a phthalic acid, and the remainder are unchanged.