Heptacosanoic acid

Heptacosanoic acid (CAS 7138-40-1), also known as carboceric acid or C27:0, is a saturated very-long-chain fatty acid used as a functional ingredient in food and personal care formulations. It serves as an emulsifier and moisturizing agent, contributing to texture, stability, and skin-conditioning performance in finished products. In cosmetic and personal care formulations, it functions as an emollient.

It is used in creams, lotions, and lip products, helping to stabilize oil-in-water systems and improve skin feel. Food manufacturers use it as a reference standard and minor functional lipid component. It is utilized in fat-based systems where precise fatty acid profiling is required. Its role in nutritional research and biomarker studies makes it a sought-after material for producing certified reference materials.

Formulators working with wax-based systems, such as solid lipstick bases or barrier creams, source it for its contribution to structural rigidity and moisture retention in various industrial applications. Heptacosanoic acid is supplied as a white to off-white powder or solid at room temperature. It is available in research-grade and high-purity analytical grades, with purity levels typically at 98% or above.

Food-grade and cosmetic-grade specifications are available from select suppliers depending on intended application and regional regulatory requirements for global distribution and manufacturing standards.