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CIS-3-HEXENYL ISOBUTYRATE

CAS 41519-23-7
67

Safety score · 0–100

Fine

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

About

A green note ester contributing fresh, fruity-green aroma reminiscent of unripe banana or fresh-cut grass in fragrance applications, with low acute toxicity but considered a potential fragrance allergen.

cis-3-Hexenyl isobutyrate is an unsaturated branched ester naturally present in many fruits and green plant tissues. It is used as a fragrance ingredient and is not listed in EU CosIng Annex III restrictions, meaning it is not subject to specific concentration limits under Regulation (EC) No 1223/2009. However, as a fragrance substance it is subject to IFRA guidelines and EU allergen declaration requirements when present above 0.01% in finished cosmetic products.

Known concerns

  • fragrance allergen — EU label declaration required

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 — always read the physical product label and consult a healthcare professional for personal concerns.