Isononyl isononanoate

Isononyl isononanoate (CAS 59219-71-5) is a synthetic ester used as an emollient, solvent, and plasticizer in personal care and pharmaceutical formulations.

Where is Isononyl isononanoate used?

• Skin care and color cosmetics: emollient and spreading agent in creams, lotions, foundations, and lip products
• Sunscreen: solvent carrier for UV filters, aiding dispersion and film formation
• Pharmaceutical topicals: plasticizer and penetration-enhancing carrier in creams and ointments
• Hair care: improves slip and manageability in conditioning treatments and styling products
• It delivers a dry, non-greasy skin feel.

Good to know: Produced from isononanol and isononanoic acid. Its unique texture distinguishes it from heavier esters in cosmetic applications.

Commercial specifications

• Clear, low-viscosity liquid in drum and IBC quantities
• Purity specifications typically meeting personal care requirements