Skip to content

Fragrance

METHYL ALPHA-IONONE ISOMERS

CAS 1335-46-2 Updated
35

Safety score · 0–100

Caution

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

About

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.

Related fragrances

Check your shelf

Find METHYL ALPHA-IONONE ISOMERS in your products.

Scan any cosmetic product with LuxSense to see if it contains METHYL ALPHA-IONONE ISOMERS and get a full ingredient breakdown with safety scores.

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.