Hypromellose Phthalate

This is a preview of
USP-NF/PF content.

Subscriber?
Access here! Not a subscriber?
Learn more!

DEFINITION

Hypromellose Phthalate is a monophthalic acid ester of hydroxypropyl methylcellulose. It contains methoxy (–⁠OCH₃), hydroxypropoxy (–OCH₂CHOHCH₃), and phthalyl (o-carboxybenzoyl; C₈H₅O₃) groups. It contains NLT 21.0% and NMT 35.0% of phthalyl groups, calculated on the anhydrous basis.

USP REFERENCE STANDARDS FOR PURCHASE

USP Hypromellose Phthalate RS

This is a preview of
USP-NF/PF content.

Subscriber?
Access here!Not a subscriber?
Learn more!