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2-TERT-BUTYLCYCLOHEXANONE

CAS 1728-46-7
55

Safety score · 0–100

Moderate

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

About

A cyclic ketone fragrance ingredient with moderate sensitization concerns, used in aromatic applications but subject to IFRA concentration restrictions in the EU.

2-tert-Butylcyclohexanone is a synthetic ketone fragrance with woody-spicy odor characteristics. IFRA has issued restrictions on its use in cosmetic products due to skin sensitization concerns. It is not currently listed in EU cosmetic regulation Annexes but its IFRA classification as a fragrance allergen requires mandatory labeling. The compound shows no major EU regulatory restrictions beyond standard IFRA guidelines.

Known concerns

  • Skin sensitization concern (IFRA)
  • Fragrance allergen (requires labeling)

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.