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Fragrance

METHYL ALPHA-IONONE ISOMERS

CAS 1335-46-2
35

Safety score · 0–100

Caution

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

A violet-scented ionone fragrance ingredient. PubChem flags skin sensitization (H317) plus irritation, and it is an EU-regulated fragrance allergen.

Function

PERFUMING

Skin benefits

  • Sophisticated violet floral fragrance note
  • Long history of use in fine fragrance

Known concerns

  • GHS07 — skin and eye irritation (H315/H319)
  • GHS07 H317 — may cause skin sensitization
  • GHS09 H411 — toxic to aquatic life
  • EU-listed 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.