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Fragrance

ISOBUTYLTHIAZOLE

CAS 18640-74-9
45

Safety score · 0–100

Moderate

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

A thiazole fragrance compound with a green tomato-leaf aroma. PubChem GHS data flags skin and eye irritation, so it is used only at trace fragrance levels.

Function

PERFUMING

Skin benefits

  • Distinctive green-tomato fragrance note
  • Used in trace fragrance amounts
  • Long perfumery history

Known concerns

  • GHS H315: causes skin irritation
  • GHS H319: causes serious eye irritation
  • Acute oral toxicity (H302)
  • Use only at very low 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.