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fatty alcohol solvent

C9-11 ALCOHOLS

CAS 66455-17-2
64

Safety score · 0–100

Fine

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

C9-11 alcohols are a blend of medium-chain fatty alcohols used as solvents and surfactant precursors; ECHA classifies them as respiratory irritants, so leave-on cosmetic use is uncommon.

Function

SKIN CONDITIONING - EMOLLIENT, EMULSION STABILISING, VISCOSITY CONTROLLING

Skin benefits

  • Fatty alcohol blend useful as a solvent and feedstock for surfactants
  • Contributes to texture and viscosity in some formulations

Known concerns

  • GHS H335 may cause respiratory irritation per ECHA notifications
  • Volatile and defatting on direct skin contact at higher levels
  • More commonly used as raw material rather than finished cosmetic ingredient

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.