Isopropyl Myristate (IPM)

Isopropyl myristate is the ester of isopropanol and myristic acid. It is a polar emollient and is used in cosmetic and topical medicinal preparations where good absorption into the skin is desired. Isopropyl myristate is being studied as a skin enhancer. It is also used as a pesticide against head lice which works by dissolving the wax that covers the exoskeleton of head lice, killing them by dehydration.

Parameter Value

CAS Number


Chemical formula


Molar mass

270.46 g·mol−1


0.85 g/cm³

Boiling point

167 °C (333 °F; 440 K) at 9 mmHg

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