Hypromellose phthalate (HPMCP)

فثالات الهيدروكسي بروبيل ميثيل سيلولوز

Kind	Excipient
Class	Enteric polymer
Synonyms	HPMCP, HP-50, HP-55, HPMC-phthalate
Common uses / forms	Enteric coating polymer dissolving at pH 5.0–5.5; gastro-resistant tablet/capsule coats
Properties	Anionic cellulose phthalate ester; pH-dependent solubility; organic or aqueous-ammoniacal application
Compendia	USP, EP, JP
Sourcing origins	Japan, China
Dominant inbound route	Hormuz
Indicative price band	$$$ ($100–1000 / kg)
Indicative lead time	medium (50–80 days)
Notes	Phthalate ester; hydrolyses if stored humid/warm

Indicative planning bands for reference/education — not supplier quotes. Sourcing routes reflect the dominant inbound lane to the Arab region.

Related substances (Enteric polymer)

Cellulose acetate phthalate (CAP)

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Cite as: AUPAM Experts' Office, Hypromellose phthalate (HPMCP) — sourcing profile (Excipient) — AUPAM Data Bank, retrieved 2026-08-31, https://aupameo.org/datasets/databank/e-hypromellose-phthalate-hpmcp.html