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Fragrance

4-ETHYLOCTANOIC ACID

CAS 16493-80-4
65

Safety score · 0–100

Fine

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

A branched medium-chain fatty acid (CAS 16493-80-4) used as a fragrance/flavour material. Structurally close to "goat acid"; potent at trace levels. Concentrate is irritating but trace use is well tolerated.

Function

PERFUMING

Skin benefits

  • Adds animalic/cheesy fragrance notes at low ppm

Known concerns

  • Concentrated form is irritating
  • Strong odour-impact molecule
  • Used at very 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.