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Fragrance

2-DODECENAL

CAS 4826-62-4
55

Safety score · 0–100

Moderate

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

A long-chain unsaturated aldehyde used as a citrus-fatty fragrance note. The aldehyde class is a documented sensitiser family — used only at IFRA-managed trace levels.

Function

PERFUMING

Skin benefits

  • Citrus-aldehyde fragrance note
  • Used at trace levels in perfumery

Known concerns

  • Aldehydes are common skin sensitisers
  • Possible irritation in concentrate
  • Restricted by IFRA in some applications

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.