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Fragrance

O-ANISALDEHYDE

CAS 135-02-4
50

Safety score · 0–100

Moderate

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

A sweet floral-anise scented aldehyde used in perfumery. GHS-classified as a skin, eye and respiratory irritant, so it must stay at low fragrance levels in finished products.

Function

PERFUMING

Skin benefits

  • Sweet floral-anise fragrance note
  • Effective at trace levels
  • Established perfumery ingredient

Known concerns

  • Causes skin and eye irritation (GHS H315/H319)
  • May cause respiratory irritation (H335)
  • Use restricted to low fragrance levels

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.