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Polyoxyethylenestearate CAS:9004-99-3

Polyoxyethylene stearate is a compound composed of stearic acid and polyethylene glycol that is widely used in the production of cosmetics, pharmaceuticals, and personal care products. It serves as an emulsifier and surfactant, contributing to the stability and texture of various formulations.

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Application and Effect:

Polyoxyethylene stearate plays a vital role in cosmetic and personal care product formulations. As an emulsifying agent, it aids in the creation of stable emulsions, allowing the blending of water and oil-based ingredients in products such as lotions, creams, and shampoos. Its surfactant properties enable effective cleansing and foaming in soaps, cleansers, and bath products, enhancing their performance and user experience. In pharmaceuticals, polyoxyethylene stearate is utilized as an excipient in drug formulations to improve the solubility, bioavailability, and stability of active pharmaceutical ingredients. Its use in topical medications and ointments helps ensure proper dispersion and absorption of medicinal compounds, contributing to the effectiveness of the final products. Furthermore, this compound finds application in the manufacturing of industrial products such as lubricants, metalworking fluids, and textile auxiliaries. In these applications, its emulsifying and dispersing abilities are leveraged to facilitate the mixing of different components and enhance the performance of the end products. The versatility of polyoxyethylene stearate extends to the food industry, where it is employed as an emulsifier in certain food products, aiding in the uniform blending of ingredients and improving texture and mouthfeel. Its GRAS (generally recognized as safe) status underscores its suitability for use in food applications, ensuring consumer safety and product quality. Overall, polyoxyethylene stearate's multifunctional properties make it an essential ingredient across various industries, contributing to the formulation, stability, and performance of a wide array of products, including cosmetics, pharmaceuticals, personal care items, industrial materials, and food preparations.

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Additional Information:

Composition C34H70O9
Assay 99%
Appearance white powder
CAS No.  9004-99-3
Packing Small and bulk
Shelf Life 2 years
Storage Store in cool and dry area
Certification ISO.


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