2,2-DIMETHYL-3-PHENYLPROPIONALDEHYDE
Moderate
CAS Number: 1009-62-7
About 2,2-DIMETHYL-3-PHENYLPROPIONALDEHYDE
A branched aldehyde fragrance with a sweet-balsamic character used in low concentrations with moderate allergenic potential.
Detailed Analysis
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
Safety Score
Moderate
Based on EU regulatory data, published safety research, and ingredient function analysis.
References
EU CosIng Database
European Commission cosmetic ingredient registry
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