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Fragrance

VALERALDEHYDE

CAS 110-62-3
62

Safety score · 0–100

Fine

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

About

Pentanal (valeraldehyde) — a short-chain aldehyde. Pungent and irritating as pure material; used at trace levels in fragrance with more caution than longer-chain aldehydes.

Valeraldehyde (pentanal, CAS 110-62-3) is a five-carbon aldehyde naturally present in various foods. Pure material is a flammable liquid with clear GHS skin/eye irritation hazard labels and notable inhalation toxicity. FEMA GRAS (3098) for flavor at very low levels. In fragrance, cosmetic use is trace-level. Safety depends sharply on dilution; short-chain aldehydes are generally more irritating than C7+ relatives.

Function

PERFUMING

Skin benefits

  • Fermented-fruity fragrance note
  • Trace-level use

Known concerns

  • Flammable and irritant (neat)
  • Inhalation toxicity signals
  • Pungent — dose-sensitive

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.