hydroxyethyl cellulose cas number

Hydroxyethyl Cellulose An Overview

Hydroxyethyl cellulose (HEC) is a non-ionic, water-soluble polymer derived from cellulose, a natural polymer sourced from the cell walls of plants. HEC has gained significant attention across multiple industries due to its unique properties, which make it an essential ingredient in various formulations and applications.

Chemical Structure and Properties

The chemical structure of hydroxyethyl cellulose consists of a cellulose backbone that has been modified by substituting hydroxyl groups with hydroxyethyl groups. This modification enhances the solubility of cellulose in water, allowing for a versatile application in diverse mediums. HEC is known for its thickening, emulsifying, and film-forming properties, which make it indispensable in many products.

The CAS number for hydroxyethyl cellulose is 9004-62-0. This unique identifier is used to specify the compound in a variety of contexts, including regulatory documentation, safety data sheets, and purchasing specifications. The ability to search for HEC using its CAS number facilitates efficient communication within scientific, industrial, and regulatory communities.

Applications of Hydroxyethyl Cellulose

1. Cosmetics and Personal Care Products Hydroxyethyl cellulose is widely used in the cosmetics industry for its thickening and stabilizing properties. It is commonly found in lotions, creams, shampoos, and gels. HEC helps improve the texture and feel of products, ensuring a pleasant user experience. Additionally, it assists in maintaining the stability of emulsions, preventing separation of oils and water.

2. Pharmaceuticals In the pharmaceutical field, HEC serves as a binding agent and thickening agent in formulations such as ointments, gels, and suspensions. Its non-toxic nature and biocompatibility make it ideal for use in medical applications, including drug delivery systems. HEC can also modify the release rate of active pharmaceutical ingredients, enhancing efficacy and controlling the release of drugs over time.

3. Food Industry Hydroxyethyl cellulose finds applications in food products as a thickening agent, stabilizer, and emulsifier. It contributes to the texture and mouthfeel of products such as sauces, dressings, and dairy products. Furthermore, HEC can help improve the shelf life of certain foods by preventing separation and sedimentation.

4. Construction In the construction industry, hydroxyethyl cellulose is used as an additive in cement, tile adhesives, and other building materials. It enhances the workability of the mixtures, allowing for better application and adherence. Additionally, its water-retention properties help improve the curing process of concrete, resulting in stronger and more durable structures.

5. Agriculture HEC is also leveraged in agriculture for applications such as soil stabilization and as a component of controlled-release fertilizers and pesticides. Its ability to hold moisture can be beneficial in arid regions, supporting plant growth and enhancing crop yield.

Environmental Considerations

One of the notable advantages of hydroxyethyl cellulose is its biodegradable nature. Derived from natural cellulose, HEC is environmentally friendly compared to many synthetic polymers. With increasing awareness of sustainability and the harmful impacts of plastic on the environment, HEC offers a more eco-conscious alternative in various formulations.

Safety and Handling

Hydroxyethyl cellulose is generally recognized as safe (GRAS) for various applications, particularly in cosmetics and food products. However, as with any chemical compound, appropriate safety measures should be taken when handling HEC in manufacturing or laboratory settings. It is important to consult safety data sheets for handling instructions, potential hazards, and first aid measures.

Conclusion

In conclusion, hydroxyethyl cellulose (CAS number 9004-62-0) is a versatile and valuable polymer that plays a critical role across multiple industries. Its unique properties make it an essential ingredient in cosmetics, pharmaceuticals, food products, and construction materials. With ongoing research and development, the applications and benefits of HEC continue to expand, making it a prominent player in the push for sustainable and innovative solutions across various sectors. As industries seek to improve product performance while addressing environmental concerns, hydroxyethyl cellulose is well-positioned to meet these demands.