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Fragrance aldehyde

METHYLENEDIOXYPHENYL METHYLPROPANAL

CAS 1205-17-0
35

Safety score · 0–100

Caution

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

Methylenedioxyphenyl propanal (helional), a fragrance aldehyde related to the EU-banned lilial. Toxicology concerns including reproductive toxicity signals and sensitization risk have driven tightening restrictions.

Skin benefits

  • Synthetic fragrance aldehyde providing watery-floral lily-of-the-valley type notes
  • Historically used in fine fragrance and functional perfumery

Known concerns

  • This molecule is helional, structurally related to lilial which was banned in EU cosmetics (Reg 2021/1902) as a CMR substance
  • Methylenedioxyphenyl alkyl aldehydes share toxicological concerns with lilial, including reproductive toxicity signals
  • IFRA has tightened restrictions on this and related aldehydes
  • Recognized fragrance allergen with sensitization risk

References

EU

EU CosIng database

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

Related fragrance aldehydes

35
UNDECADIENAL
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.