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Understanding the Properties and Applications of Hydroxyethyl Cellulose and Its CAS Number

Understanding Hydroxyethyl Cellulose (HEC) CAS No. 9004-62-0

Hydroxyethyl cellulose (HEC) is a versatile, non-ionic, water-soluble cellulose derivative with a wide range of applications across various industries. The chemical, identified by the CAS number 9004-62-0, is notably used as a thickening agent, stabilizer, and film-forming agent, making it an essential component in countless formulations.

Chemical Structure

Hydroxyethyl cellulose features a backbone of cellulose with hydroxyethyl groups (-CH2-CH2-OH) attached, which enhances its solubility in water. This modification improves the polymer's ability to interact with water molecules, allowing for the creation of viscous solutions even at low concentrations. Its structure results in a polymer that is generally stable and resistant to microbial attack, making it an advantageous choice for both cosmetic and food products.

Applications in Various Industries

1. Cosmetics and Personal Care HEC is widely utilized in cosmetic formulations due to its thickening and stabilizing properties. It helps to improve the texture and consistency of products such as shampoos, conditioners, lotions, and gels. Its ability to retain moisture also makes it beneficial in hydrating formulations. Additionally, HEC can provide a smooth, spreadable texture to creams and lotions, enhancing the overall sensory experience for users.

2. Pharmaceuticals In the pharmaceutical industry, HEC serves as a binder and film-forming agent in tablet formulations. Its properties allow for controlled drug release, improving the bioavailability of medication. HEC's compatibility with other excipients makes it a reliable choice for various pharmaceutical products, including ointments and gels, where it acts to enhance viscosity and stability.

3. Food Industry HEC finds applications in food processing as a stabilizer and thickening agent, enhancing the texture of various food products. For example, it is used in sauces, dressings, and dairy products to improve mouthfeel and prevent separation of ingredients. Its status as a non-toxic and safe additive has made it a popular choice among food manufacturers.

hydroxyethyl cellulose cas no

4. Construction Industry In construction, HEC is commonly used in mortar and cement formulations. Its water-retaining capabilities help to improve workability and extend the open time of these products, allowing for better application and adhesion. Additionally, HEC aids in reducing the incidence of cracking by retaining moisture during the curing process.

Environmental Considerations

One of the appealing aspects of hydroxyethyl cellulose is its biodegradable nature. Derived from natural cellulose, it poses a lower environmental impact compared to synthetic polymers. Its use in eco-friendly formulations is increasingly favored in industries aiming for sustainable practices.

Safety and Regulatory Status

HEC is generally recognized as safe (GRAS) by the U.S. Food and Drug Administration (FDA) and is also widely accepted in cosmetic formulations. The FDA considers HEC appropriate for use in food products, further highlighting its safety profile. However, as with any chemical substance, it is essential for manufacturers to ensure compliance with local regulations, including proper labeling and safety data sheets.

Conclusion

Hydroxyethyl cellulose (CAS No. 9004-62-0) is a remarkable polymer with a broad range of applications across multiple industries. Its unique properties as a thickener, stabilizer, and film-former make it invaluable in cosmetics, pharmaceuticals, food products, and construction materials. With a focus on sustainability and safety, HEC continues to be a critical ingredient in formulations aimed at enhancing performance while meeting consumer demands for eco-friendly products. As industries innovate and develop new applications for HEC, its importance is poised to grow even further in the coming years.

Properties and Applications of Redispersible Polymer Powder in Various Industries