11월 . 21, 2024 07:36 Back to list

hydroxyethyl cellulose cas no

Hydroxyethyl Cellulose Properties, Uses, and Applications

Hydroxyethyl cellulose (HEC) is a non-ionic, water-soluble polymer derived from cellulose, a natural polymer found in plant cell walls. This unique substance is identified by its CAS number, 9004-62-0, and is primarily produced by the etherification of cellulose with ethylene oxide. Its versatility and useful properties have made it a popular choice across a variety of industries, from pharmaceuticals to cosmetics and construction.

Properties of Hydroxyethyl Cellulose

One of the most notable characteristics of HEC is its ability to form viscous solutions when dissolved in water. This viscosity can be altered by varying the concentration of HEC in the solution, which makes it an effective thickening agent. Additionally, HEC is known for its excellent stability under a range of temperatures and pH levels, making it a reliable choice for products that may be subjected to various environmental conditions.

Another significant property of HEC is its non-ionic nature, which means it does not carry a charge. This attribute enables HEC to be compatible with a wide variety of other substances, including surfactants and electrolytes, without causing precipitation or instability. Furthermore, HEC is generally recognized as safe by regulatory agencies, including the FDA, which adds to its appeal for use in consumer products.

Applications of Hydroxyethyl Cellulose

1. Pharmaceuticals In the pharmaceutical industry, HEC serves multiple roles. It is used as a thickener and binder in tablets and as a stabilizer in liquid formulations. Its excellent bio-compatibility and ability to modify the release of active pharmaceutical ingredients make it an ideal excipient in drug formulations.

hydroxyethyl cellulose cas no

2. Cosmetics and Personal Care Products In cosmetics, HEC is widely employed as a thickening agent in various formulations such as lotions, creams, shampoos, and gels. It helps improve the texture, stability, and overall user experience of these products. Additionally, HEC's film-forming properties contribute to its use in hair styling products, providing hold without stiffness.

3. Construction The construction industry utilizes HEC as a thickening agent in cement and mortar mixtures. It enhances the workability of the mixtures, ensuring better adhesion and reducing the risk of segregation. The water-retention properties of HEC also contribute to improved curing times, resulting in stronger final products.

4. Food Industry As a food additive, HEC is utilized for its thickening and stabilizing properties. It can help maintain the texture and consistency of sauces, dressings, and other food products, providing a more enjoyable culinary experience for consumers.

5. Paints and Coatings In the paint and coatings industry, HEC is valued for its ability to enhance the viscosity and stability of formulations. It helps prevent the settling of pigments during storage and ensures a uniform application on surfaces.

Conclusion

Hydroxyethyl cellulose is a remarkable compound with a diverse range of applications across various industries. Its unique properties, including water solubility, viscosity control, and stability, allow it to serve essential functions in pharmaceuticals, cosmetics, construction, food, and paint formulations. As consumer demand for quality products continues to rise, the role of HEC in enhancing product performance and safety becomes increasingly significant.

The ongoing research and innovation surrounding hydroxyethyl cellulose and related compounds promise to further expand its applications and improve its effectiveness in existing uses. As more companies recognize the advantages of using HEC in their formulations, we will likely see its prevalence grow in both established and emerging markets. This underscores the importance of continuing to explore its potential while leveraging its unique properties for the benefit of consumers worldwide.

hydroxyalkyl cellulose