Isopropyl isostearate

Isopropyl isostearate (CAS 31478-84-9 ), also marketed as Wickenol 131 and Nikkol IPIS, is a branched-chain ester used as an emollient, carrier, and lubricant across personal care and industrial formulations.

Its branched molecular structure resists crystallization at low temperatures, keeping formulations fluid and stable across a wide processing and storage range. This provides a practical advantage for formulators sourcing for year-round production.

In cosmetics and personal care, it functions as a lightweight emollient and skin-conditioning carrier in lotions, color cosmetics, and sunscreen formulations. It improves spreadability without a greasy after-feel for the end user.

Industrial lubricant manufacturers use it as a base fluid or additive where a non-mineral, low-viscosity ester is required. It is frequently utilized for metalworking fluids and various release agents in manufacturing.

In coatings and adhesive systems, it acts as a plasticizing solvent that improves substrate wetting and film flexibility. Its solvency profile also supports pigment dispersion in both cosmetic and industrial coating applications.

Isopropyl isostearate is supplied as a clear, low-viscosity liquid. It is available in cosmetic-grade and technical-grade specifications to meet the purity requirements of personal care versus industrial end uses.

Bulk supply is standard in drums and IBCs, with cosmetic-grade material typically conforming to established supplier specifications. These are reviewed against internal QC standards or relevant ISO guidelines.

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