Hydroxypropyl Methylcellulose

Specifications of Hydroxypropyl Methylcellulose

Chemical Name: 2-Hydroxypropyl methyl cellulose ether

Chemical Formula: C56H108O30

Molecular Weight: 1261.45 g/mol 

CAS Number:  9004-65-3

Hydroxypropyl Methylcellulose (HPMC) is a semisynthetic, water-soluble polymer derived from cellulose by chemical modification with hydroxypropyl and methyl groups. It is widely used across industries such as pharmaceuticals, food, cosmetics, construction, and personal care due to its versatile properties.

Appearance: White or off-white powder, odorless and tasteless.

Solubility: Soluble in cold and hot water, forming clear or slightly turbid viscous solutions; insoluble in pure ethanol, ether, acetone, and anhydrous alcohol.

Melting point: 280-300°C

Hydroxypropyl Methylcellulose is considered a non-fermentable soluble dietary fiber with minimal to no caloric value. It is not digestible by humans and passes through the digestive system similarly to dietary fiber. Because of this, HPMC provides several health benefits associated with soluble fiber

The benefits of Hydroxypropyl Methylcellulose (HPMC) span multiple industries due to its versatile physical and chemical properties. Key benefits include:

  • In Construction and Building Materials:

    • Enhances bonding and lubricity of cement panels and mortars, improving workability, pumpability, and ease of application.

    • Increases water retention, extending the working time and improving mortar hydration and mechanical strength.

    • Controls air entrainment, reducing cracks and creating smooth surfaces.

    • Improves durability and longevity of cement-based materials, contributing to stronger infrastructure.

  • In Cosmetics and Personal Care:

    • Acts as a thickener and stabilizer in shampoos, conditioners, and lotions, improving viscosity and product texture.

    • Forms a film that helps retain moisture and protect the skin barrier, enhancing moisturizing effects.

    • Stabilizes foams and suspensions, preventing ingredient sedimentation and improving the longevity of formulations.

    • Improves adhesion and disperses pigments evenly in makeup products, enhancing color durability and consistency.

  • In Cleaning Products:

    • Serves as a thickening agent to improve texture and ease of application in detergents, soaps, and sanitizers.

    • Enhances foam stability and controls product viscosity for better performance and user experience.

  • In Food Industry:

    • Used as a thickener, emulsifier, and stabilizer in sauces, soups, beverages, and dairy products, improving texture and stability.

    • Acts as a non-fermentable soluble dietary fiber, aiding digestive health.

  • Environmental and Industrial Benefits:

    • Biodegradable and derived from renewable cellulose sources, making it an eco-friendly choice.

    • Improves adhesion and cohesion in industrial coatings, enhancing durability and performance.

    • Adds water retention and thickening to various industrial formulations, improving workability and longevity.

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