Hydroxypropyl methylcellulose
Hydroxypropyl Methylcellulose
Hydroxypropyl Methylcellulose (pronunciation: hy-drox-ee-prop-ul meth-ul-cell-yoo-lose), also known as HPMC, is a type of non-ionic surfactant and excipient commonly used in the pharmaceutical industry.
Etymology
The term "Hydroxypropyl Methylcellulose" is derived from its chemical structure. "Hydroxypropyl" refers to the hydroxypropyl groups attached to the cellulose backbone, "methyl" refers to the methyl groups also attached to the cellulose, and "cellulose" is a type of complex carbohydrate that forms the base structure of this compound.
Usage
Hydroxypropyl Methylcellulose is used as a thickening agent, emulsifier, and film-forming agent in various pharmaceutical and cosmetic products. It is also used in the food industry as a stabilizer and to improve texture. In the pharmaceutical industry, it is used in the formulation of tablets, capsules, and eye drops.
Related Terms
- Cellulose: A complex carbohydrate that forms the base structure of Hydroxypropyl Methylcellulose.
- Surfactant: A substance that reduces surface tension in liquids, allowing them to mix more easily. Hydroxypropyl Methylcellulose is a type of non-ionic surfactant.
- Excipient: An inactive substance that serves as a vehicle for the active ingredients of a medication. Hydroxypropyl Methylcellulose is often used as an excipient in pharmaceutical products.
External links
- Medical encyclopedia article on Hydroxypropyl methylcellulose
- Wikipedia's article - Hydroxypropyl methylcellulose
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