Hydroxypropyl cellulose

Hydroxypropyl cellulose (HPC) is a derivative of cellulose that is water-soluble and has a variety of uses in the pharmaceutical industry, food industry, and cosmetics industry. It is a white or slightly yellowish, odorless and tasteless powder.

Chemical Structure

Hydroxypropyl cellulose is a polymer made up of glucose units that have been substituted with hydroxypropyl groups. The degree of substitution can vary, which affects the properties of the material.

Properties

Hydroxypropyl cellulose is water-soluble and forms a viscous solution in water. It has good film-forming properties, which makes it useful in coatings and as a binder. It is also non-toxic and biodegradable.

Uses

Pharmaceutical Industry

In the pharmaceutical industry, hydroxypropyl cellulose is used as a binder and coating agent in tablet formulation. It is also used as a controlled-release agent in certain medications.

Food Industry

In the food industry, hydroxypropyl cellulose is used as a thickener, emulsifier, and stabilizer. It is also used in the production of edible films and coatings.

Cosmetics Industry

In the cosmetics industry, hydroxypropyl cellulose is used as a thickener and emulsifier in products such as lotions, creams, and shampoos.

Safety

Hydroxypropyl cellulose is generally considered safe for use in food and pharmaceuticals. However, like all substances, it can cause allergic reactions in some individuals.

See Also

• Cellulose
• Hydroxypropyl methylcellulose
• Pharmaceutical industry
• Food industry
• Cosmetics industry

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  Hydroxypropyl cellulose