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Fragrance aldehyde

2-OCTENAL

CAS 2363-89-5
38

Safety score · 0–100

Caution

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

2-Octenal is a reactive unsaturated aldehyde used in trace amounts as a fragrance and flavour component. It is irritating to skin and eyes and can act as a contact allergen.

Skin benefits

  • Used as a fatty fragrance and flavour aldehyde at trace levels
  • Contributes green, fatty notes in some perfumes

Known concerns

  • GHS H315 causes skin irritation
  • GHS H319 causes serious eye irritation
  • Reactive alpha,beta-unsaturated aldehyde, known sensitization potential
  • Generally restricted to very low ppm in fragrance use

References

EU

EU CosIng database

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

Related fragrance aldehydes

36
CIS-NON-2-ENAL
Fragrance aldehyde
 40
M-TERT-BUTYLPHENYL ISOBUTYRALDEHYDE
Fragrance aldehyde
 35
METHYLENEDIOXYPHENYL METHYLPROPANAL
Fragrance aldehyde
 35
UNDECADIENAL
Fragrance aldehyde
 45
LAURALDEHYDE
Fragrance aldehyde
 48
CUMINALDEHYDE
Fragrance aldehyde
 50
3,7-DIMETHYL-3,6-OCTADIENAL
Fragrance aldehyde
 50
AR-ISOPROPYLPHENYLACETALDEHYDE
Fragrance aldehyde

Check your shelf

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Scan any cosmetic product with LuxSense to see if it contains 2-OCTENAL and get a full ingredient breakdown with safety scores.

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.