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Fragrance

ISONONANAL

CAS 35127-50-5
60

Safety score · 0–100

Fine

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

A branched 9-carbon aldehyde used as a fatty-aldehydic fragrance ingredient. PubChem CID exists with no GHS data — typical aldehyde caveats around oxidation and sensitization apply.

Function

PERFUMING

Skin benefits

  • Provides aldehydic, fatty-citrus fragrance note
  • Common building block in modern perfumery

Known concerns

  • Aldehyde — potential to oxidize and form sensitizers
  • Limited public toxicology
  • May contribute to overall fragrance allergen burden

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.