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Fragrance

DECADIENAL

CAS 2363-88-4 Updated
50

Safety score · 0–100

Moderate

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

About

2,4-decadienal — a fatty-citrus aldehyde used as a flavor and fragrance ingredient. Reactive aldehyde with sensitization and irritation potential; trace use only.

Function

PERFUMING

Skin benefits

  • Fatty-citrus fragrance/flavor note
  • Used at trace levels

Known concerns

  • Reactive long-chain aldehyde — sensitizer
  • Skin/eye irritant potential
  • RIFM use-level caps
  • GRAS for food but stricter on skin

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.