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Fragrance

2-METHYL-4-(2,6,6-TRIMETHYL-2-CYCLOHEXENYL)-2-BUTENAL

CAS 68555-62-4
58

Safety score · 0–100

Moderate

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

A synthetic fragrance compound with a floral-woody scent — flagged as a potential skin sensitizer.

This is a terpenoid aldehyde used as a perfuming agent in cosmetic formulations. GHS classifications include H317 (may cause allergic skin reaction) at 21.9% of data sources, and H411 (toxic to aquatic life). The skin sensitization potential classifies it as a known allergen. No EU Annex III listing currently, but sensitization data warrants caution. Used at restricted levels in fine fragrance.

Function

PERFUMING

Known concerns

  • Skin sensitizer (H317)
  • Aquatic toxicity (H411)
  • Fragrance allergen

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.