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hydroxyethyl cellulose cas number

Hydroxyethyl Cellulose (HEC) Properties, Applications, and Significance

Hydroxyethyl cellulose (HEC) is a water-soluble polymer derived from cellulose, a natural polymer obtained from plant cell walls. It has a chemical formula of (C2H6O2)n and is characterized by its ability to form viscous solutions in water, making it a vital ingredient in numerous industries. The CAS number for hydroxyethyl cellulose is 9004-62-0, a unique identifier used to simplify the identification of chemicals in regulatory and safety information.

Properties of Hydroxyethyl Cellulose

HEC is known for its remarkable properties, including thickening, stabilizing, and emulsifying capabilities. It is a white, odorless powder that is non-toxic and biodegradable, aligning with contemporary sustainability standards. One of HEC's most notable features is its ability to retain water, offering enhanced moisture retention in various formulations.

HEC exhibits a high degree of solubility in cold and hot water, making it versatile for a range of applications. Its viscosity can be adjusted based on the concentration, temperature, and pH of the solution, which allows formulators to tailor products to specific requirements. Additionally, HEC remains stable under varying conditions, including changes in temperature and pH, further emphasizing its utility.

Applications of Hydroxyethyl Cellulose

Hydroxyethyl cellulose finds extensive application across several industries, including pharmaceuticals, cosmetics, and construction.

1. Pharmaceuticals In the pharmaceutical industry, HEC acts as a binder and a thickening agent in various formulations, including creams, gels, and ointments. Its bio-compatibility and non-toxic nature make it an ideal choice for drug delivery systems. Additionally, HEC can be used in controlled-release medication formulations due to its ability to regulate viscosity.

hydroxyethyl cellulose cas number

2. Cosmetics and Personal Care HEC is widely utilized in the cosmetic sector for its thickening and emulsifying properties. It is commonly found in lotions, shampoos, and conditioners. HEC enhances the texture of products, improving their application and feel on the skin or hair while ensuring even distribution of active ingredients.

3. Construction In construction, HEC is used as a suppressant in cement and mortar applications. It improves the workability of materials, enhances adhesion, and helps retain moisture, which is crucial for the curing process. The incorporation of HEC allows for increased durability and strength of the final construction products.

4. Food Industry While HEC is primarily recognized in non-food applications, recent studies have identified its potential as a food additive. It can act as a thickening agent and stabilizer in certain food formulations, although its use in this sector remains limited compared to other applications.

Importance and Future Prospects

The significance of hydroxyethyl cellulose cannot be overstated. As industries continue to prioritize sustainability and eco-friendliness, HEC stands out as a biodegradable and non-toxic option, attracting attention from both formulators and consumers. Moreover, research into enhancing its properties, such as increasing its thermal stability or exploring its potential in new sectors, is ongoing.

Given its versatility and adaptability, hydroxyethyl cellulose is poised to play a vital role in the development of innovative products across diverse fields. As market demands evolve, HEC's intrinsic properties will likely facilitate novel applications, ensuring its continued relevance in the global marketplace.

In conclusion, hydroxyethyl cellulose is a multifaceted polymer that meets the needs of various industries. Its wide-ranging applications, coupled with inherent sustainability, make it a compound of significant interest. As research progresses and new uses are discovered, HEC will undoubtedly cement its place as an essential material for the future.

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