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2,4-HEXADIENYL ACETATE

CAS 1516-17-2
55

Safety score · 0–100

Moderate

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

About

An unsaturated aliphatic acetate used primarily as a fragrance material; sensitisation and photosensitisation are known concerns.

2,4-Hexadienyl Acetate is an unsaturated ester commonly found in fragrance compositions; it is listed in EU Annex III as a fragrance allergen requiring declaration when present above 0.001% in leave-on products. The compound has demonstrated skin-sensitisation potential in guinea-pig models and may contribute to contact dermatitis.

Skin benefits

  • Fragrance function

Known concerns

  • Fragrance allergen (EU Annex III)
  • Skin sensitisation potential
  • Photosensitisation

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.