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Fragrance

UNDECENAL

CAS 1337-83-3
58

Safety score · 0–100

Moderate

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

Undecenal — an aldehydic perfume note used in classic floral fragrances. PubChem flags skin irritation and mild aquatic toxicity; IFRA usage limits apply.

Function

PERFUMING

Skin benefits

  • Aldehydic floral perfume
  • Iconic in classic chypres
  • Stable aroma chemical

Known concerns

  • Skin irritant (H315)
  • Aquatic toxicity (H412)
  • Aldehyde sensitization 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, so always read the physical product label and consult a healthcare professional for personal concerns.