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METHYL-METHYLENE-TRICYCLODECANOL

CAS 122760-84-3
35

Safety score · 0–100

Caution

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

About

Methyl-methylene-tricyclodecanol is a cosmetic ingredient used in product formulations. Exercise caution due to limited available safety data.

This tricyclic decanol derivative carries the EU GHS hazard statements H315 (skin irritant), H317 (may cause allergic skin reaction), and H411 (toxic to aquatic life with long-lasting effects). The combination of a tricyclic ring system with a double bond (methylene) and hydroxyl group creates a structure with moderate sensitisation potential. IFRA standards apply to this class of materials, and it must be included in the 26 mandatory fragrance allergen declarations when exceeding 0.001% in leave-on products.

Skin benefits

  • Provides distinctive complex fragrance character in fine fragrances
  • Contributes to woody, amber, or earthy aromatic notes

Known concerns

  • H315 skin irritant
  • H317 skin sensitiser — may cause allergic contact dermatitis
  • H411 chronic aquatic toxicity
  • Subject to EU Annex III fragrance allergen declaration requirements
  • IFRA restrictions apply to this class of polycyclic fragrance materials

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.