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Fragrance

Methyl 2-Octynoate

CAS 111-12-6
40

Safety score · 0–100

Moderate

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

Methyl 2-octynoate — a synthetic floral-violet fragrance with strong sensitiser potential. EU-declared allergen, restricted by IFRA/SCCS to roughly 0.01% in finished products. Cautious avoidance recommended for fragrance-sensitive users.

Skin benefits

  • Sweet, violet-like fragrance at trace levels
  • Used as a fixative in fine fragrance accords
  • Naturally occurs in some essential oils

Known concerns

  • EU-declared fragrance allergen with mandatory labelling
  • IFRA/SCCS restrict to ~0.01% in finished products due to strong sensitisation potential
  • One of the more potent fragrance sensitisers known

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

PC

PubChem

U.S. NIH compound data, GHS hazard codes and toxicity literature.

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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.