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Fragrance

4-TERT-BUTYLCYCLOHEXANONE

CAS 98-53-3
50

Safety score · 0–100

Moderate

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

A woody fragrance ketone (p-tert-butylcyclohexanone). RIFM-evaluated but carries acute oral toxicity and aquatic hazard flags.

Function

PERFUMING

Skin benefits

  • Woody/floral fragrance ingredient
  • Used in fine fragrances
  • RIFM-reviewed

Known concerns

  • GHS H302 — harmful if swallowed
  • H411 — toxic to aquatic life
  • Possible skin and eye irritation
  • Sensitization potential at higher levels

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.