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Solvent

BUTYLENE GLYCOL PROPIONATE

CAS 91171-54-9 Updated
72

Safety score · 0–100

Fine

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

About

A propionate ester of butylene glycol used as a solvent and skin-conditioning agent. Mild and generally well-tolerated; less data than parent butylene glycol.

Function

SOLVENT

Skin benefits

  • Skin-conditioning solvent
  • Carries actives into skin
  • Low odour and good stability

Known concerns

  • Limited individual safety data
  • Possible mild skin irritation
  • Less studied than parent butylene glycol

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 — always read the physical product label and consult a healthcare professional for personal concerns.