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Fragrance aldehyde

UNDECADIENAL

CAS 30361-29-6
35

Safety score · 0–100

Caution

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

Undecadienal is a long-chain unsaturated aldehyde used as a fragrance ingredient for fatty, citrus-green notes. Aldehydes of this family can sensitise skin, so it appears only in tiny perfume amounts.

Function

PERFUMING

Skin benefits

  • Contributes fresh, fatty-green aldehydic notes in fragrance compositions
  • Used at very low ppm levels in flavour and perfume bases

Known concerns

  • Aldehyde structure with known skin sensitisation potential
  • May cause irritation to skin and eyes at higher concentrations
  • Limited published cosmetic safety data on this specific isomer

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

Related fragrance aldehydes

35
METHYLENEDIOXYPHENYL METHYLPROPANAL
Fragrance aldehyde
 36
CIS-NON-2-ENAL
Fragrance aldehyde
 38
2-OCTENAL
Fragrance aldehyde
 40
M-TERT-BUTYLPHENYL ISOBUTYRALDEHYDE
Fragrance aldehyde
 45
LAURALDEHYDE
Fragrance aldehyde
 25
VALERALDEHYDE
Fragrance aldehyde
 48
CUMINALDEHYDE
Fragrance aldehyde
 50
3,7-DIMETHYL-3,6-OCTADIENAL
Fragrance aldehyde

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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.