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Fragrance

TRIMETHYLUNDECADIENAL

CAS 24048-13-3 Updated
55

Safety score · 0–100

Moderate

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

About

A long-chain unsaturated dienal used at very low levels for powerful aldehydic fragrance. Reactive dienal chemistry carries class-level sensitization concern.

Function

PERFUMING

Skin benefits

  • Powerful aldehydic fragrance

Known concerns

  • Alpha,beta-unsaturated dienal sensitizer class
  • IFRA restrictions in class

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.