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Fragrance

3-ETHYL-2,4-DIOXASPIRO(5.5)UNDEC-8-ENE

CAS 64165-57-7 Updated
55

Safety score · 0–100

Moderate

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

About

A synthetic spiro-acetal fragrance molecule. As with most niche fragrance chemicals, sensitisation potential exists and dedicated toxicology is thin.

Function

PERFUMING

Skin benefits

  • Fragrance ingredient — woody/green note

Known concerns

  • Synthetic fragrance — possible sensitiser
  • Limited published toxicology
  • No CIR/SCCS dossier identified

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.