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4-METHYL-3-DECEN-5-OL

CAS 81782-77-6
60

Safety score · 0–100

Fine

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

About

4-methyl-3-decen-5-ol is a cosmetic ingredient used in product formulations. Note: classified as harmful to aquatic environments. Exercise caution due to limited available safety data.

This decenol is an unsaturated alcohol functioning as a fragrance ingredient. Tertiary alcohols in this structural class generally exhibit lower acute toxicity but may still present sensitization concerns at elevated concentrations. Standard IFRA guidelines for unsaturated fragrance alcohols apply, and EU regulations mandate disclosure in the list of potential allergens when used in cosmetic products above 0.01% in leave-on applications.

Skin benefits

  • fragrance function

Known concerns

  • mild skin sensitizer potential

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.