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Fragrance

TRIMETHYL-2-CYCLOHEXENE-1,4-DIONE

CAS 1125-21-9
58

Safety score · 0–100

Moderate

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

A cyclic ketone (ketoisophorone) used as a saffron-like fragrance note. GHS data flags it as harmful if swallowed and a possible skin sensitiser, so used only at trace levels.

Function

PERFUMING

Skin benefits

  • Saffron-like fragrance note
  • Used at trace levels in fine fragrance

Known concerns

  • Harmful if swallowed (H302)
  • Possible allergic skin reaction (H317)
  • Limited cosmetic safety dossier

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.