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2,2-DIMETHYL-3-PHENYLPROPIONALDEHYDE

CAS 1009-62-7
58

Safety score · 0–100

Moderate

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

A branched aldehyde fragrance with a sweet-balsamic character used in low concentrations with moderate allergenic potential.

2,2-Dimethyl-3-phenylpropionaldehyde (also called pivaldehyde derivative or alpha,alpha-dimethylhydrocinnamaldehyde) is a branched aldehyde featuring a phenyl group and gem-dimethyl substitution. The alpha-branching and phenyl substituent create steric hindrance that can reduce aldehyde reactivity compared to linear analogs, potentially lowering sensitization risk. However, aromatic aldehydes remain subject to EU allergen declaration requirements. The sweet, balsamic odor profile makes it popular in floral and chypre fragrance families.

Skin benefits

  • Sweet-balsamic fragrance component
  • Used in floral fragrance compositions

Known concerns

  • Must be declared as fragrance allergen per EU rules
  • Aromatic aldehyde - some sensitization potential
  • Limited specific data

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