5-METHYL-2-PHENYL-2-HEXENAL

Other

48

Caution

CAS Number: 21834-92-4

About 5-METHYL-2-PHENYL-2-HEXENAL

5-methyl-2-phenyl-2-hexenal is a cosmetic ingredient used in product formulations. Exercise caution due to limited available safety data.

Detailed Analysis

This compound combines an alpha,beta-unsaturated aldehyde system with a phenyl substituent, creating a structurally potent sensitizer. The H317 classification confirms skin sensitization risk. Unsaturated aldehydes are well-documented contact allergens in EU dermatological literature, and the aromatic ring increases lipophilicity enhancing skin penetration. IFRA standards impose strict concentration limits on this class of fragrance materials in leave-on cosmetic products.

Known Concerns

  • ⚠ skin sensitizer (H317)
  • ⚠ potential strong allergen
  • ⚠ IFRA restricted

Safety Score

48

Caution

Based on EU regulatory data, published safety research, and ingredient function analysis.

References

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EU CosIng Database

European Commission cosmetic ingredient registry

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This information is for educational purposes only and does not constitute medical advice. Always consult a healthcare professional for skin concerns or allergies.