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Fragrance

TERT-BUTYL ISOPENT-2-ENTHIOATE

CAS 34322-09-3
55

Safety score · 0–100

Moderate

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

A sulfur-containing fragrance ester used at trace levels for fruity-savory notes. Limited cosmetic safety data; thioester chemistry brings low-level sensitization concerns.

Function

PERFUMING

Skin benefits

  • Adds character to fragrance compositions

Known concerns

  • Possible skin sensitization
  • Sparse public safety data

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.