Bis-hydroxyethoxypropyl dimethicone
[CAS# 222416-17-3]

Identification

• Classification: Chemical reagent >> Organic reagent >> Siloxane
• Name: Bis-hydroxyethoxypropyl dimethicone
• Synonyms: Dimethyl siloxane hydroxyalkyl-terminated; UNII-YP714N2H05
• CAS Registry Number: 222416-17-3

Discovory and Applicatios

Bis-hydroxyethoxypropyl dimethicone is a type of organosilicon compound that belongs to the family of dimethicones, which are widely used in the cosmetic and personal care industries. It is a modified version of dimethicone, where two hydroxyethoxypropyl groups are attached to the silicon backbone, enhancing its solubility and reactivity. This compound combines the properties of traditional dimethicone, such as its smooth texture and moisture resistance, with the added functionality of the hydroxyethoxypropyl groups, making it an excellent candidate for a variety of cosmetic formulations.

The development of bis-hydroxyethoxypropyl dimethicone can be traced to the ongoing research and innovation within the field of silicones. Silicones, such as dimethicone, have been studied extensively due to their unique combination of properties, including their stability, non-reactivity, and water-resistant nature. These characteristics make silicones ideal for use in personal care products, as they can form protective layers on the skin and hair without causing irritation. The introduction of hydroxyethoxypropyl groups to dimethicone was a logical step in improving the compound's solubility in water-based formulations and increasing its compatibility with other ingredients.

The synthesis of bis-hydroxyethoxypropyl dimethicone involves a reaction between dimethicone and hydroxyethoxypropyl groups, often using a catalytic process to achieve the desired molecular structure. The reaction conditions, including the type of catalyst, temperature, and time, are carefully controlled to ensure the proper attachment of the hydroxyethoxypropyl groups to the silicone backbone. This process yields a versatile compound that maintains the key properties of dimethicone, such as its smooth application and resistance to moisture, while introducing new attributes that enhance its use in a broader range of formulations.

One of the primary applications of bis-hydroxyethoxypropyl dimethicone is in the formulation of hair care and skin care products. In hair care, this compound is commonly used in shampoos, conditioners, and styling products due to its ability to impart smoothness and shine to hair. It helps to reduce frizz, enhance manageability, and provide a protective barrier against environmental stressors. By forming a thin, non-greasy layer on the hair, bis-hydroxyethoxypropyl dimethicone prevents moisture loss and helps to maintain the hair's natural moisture balance. The compound also contributes to improved combability and reduces static electricity, making it an essential ingredient in many modern hair care formulations.

In skin care, bis-hydroxyethoxypropyl dimethicone is used in moisturizers, sunscreens, and other topical treatments. Its ability to create a smooth, protective layer on the skin makes it effective at reducing water evaporation, providing long-lasting hydration without leaving a greasy residue. This makes it particularly useful in products designed for dry or sensitive skin, as it helps to lock in moisture and prevent dehydration. Additionally, bis-hydroxyethoxypropyl dimethicone improves the spreadability of skin care products, allowing them to glide smoothly over the skin and be absorbed more effectively.

Another important application of bis-hydroxyethoxypropyl dimethicone is in the formulation of antiperspirants and deodorants. The compound's ability to form a barrier on the skin helps to prevent the loss of active ingredients and enhances the overall effectiveness of these products. By providing a smooth, non-irritating layer, it ensures that the active ingredients in antiperspirants are evenly distributed and remain effective throughout the day.

Beyond its use in personal care products, bis-hydroxyethoxypropyl dimethicone is also utilized in the production of industrial products where water resistance and smooth texture are required. It can be found in formulations for coatings, sealants, and adhesives, where its ability to repel water and maintain a stable, smooth surface is beneficial. In these applications, the compound helps to improve the durability and performance of the final product, making it more resistant to environmental factors such as moisture, heat, and chemicals.

In conclusion, bis-hydroxyethoxypropyl dimethicone is a versatile and important compound in both cosmetic and industrial applications. Its combination of water resistance, smooth texture, and ability to enhance the performance of other ingredients has made it a valuable addition to a wide range of formulations. Whether used in hair care, skin care, or industrial products, bis-hydroxyethoxypropyl dimethicone continues to play a critical role in improving product performance and consumer satisfaction.