Description:Hexadecylstearic acid, with the CAS number 89547-15-9, is a long-chain fatty acid derivative characterized by its hydrophobic nature due to the presence of a long hexadecyl (C16) alkyl chain and a stearic acid moiety. This compound typically appears as a white to off-white solid or waxy substance at room temperature. It is known for its surfactant properties, making it useful in various applications, including cosmetics, personal care products, and as an emulsifying agent in formulations. The presence of both hydrophobic and hydrophilic regions allows it to stabilize oil-water mixtures. Hexadecylstearic acid is also recognized for its potential in enhancing the solubility of poorly soluble compounds and improving the texture of formulations. Additionally, it may exhibit antimicrobial properties, contributing to its utility in preserving product integrity. As with many fatty acids, it is generally considered safe for use in cosmetic applications, although proper handling and safety measures should be observed during its use in industrial settings.
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