Agent Name

Hydroxypropyl cellulose

CAS Number


Major Category

Plastics & Rubber


2-Hydroxypropyl cellulose; Cellulose 2-hydroxypropyl ether; Cellulose hydroxypropyl ether; Cellulose, 2-hydroxypropyl ether; HPC-L; Hydroxypropyl ether of cellulose; Hydroxypropylcellulose; Hydroxypropylcellulose of low substitution; Hyprolose; Hyprolosum; Klucel; Lacrisert; Oxypropylated cellulose; PM 50; PM 50 (polymer); L-HPC; [ChemIDplus]




Off-white solid; [Merck Index] White to off-white slightly hygroscopic solid; Nearly odorless; [JECFA] White powder; [Sigma-Aldrich MSDS]


Used to make solutions of varying viscosity; Used as an emulsifier, stabilizer, whipping aid, film former, thickener, and protective in foods; Also used as a binder (ceramics and glazes), additive (hair and cosmetic products, blow-molded bottles, PVC polymerization, and pharmaceuticals), and therapeutic agent (topical protectant); [Merck Index] Used in contact lens wetting solutions; [ChemIDplus] Used as a formulation aid, emulsifier, stabilizer or thickener, and texturizer for foods; [FDA] Permitted for use as an inert ingredient in non-food pesticide products; [EPA] "Hydroxypropyl cellulose (HPC) is a derivative of cellulose with both water solubility and organic solubility. It is used as a topical ophthalmic protectant and lubricant." [Wikipedia]


No adverse developmental effects observed in rats or rabbits at doses of 5,000 mg/kg/day during gestation; [REPROTOX] May cause irritation; [Sigma-Aldrich MSDS]

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