4,4'-Isobutylethylidenediphenol

18

Avoid

CAS Number: 6807-17-6

About 4,4'-Isobutylethylidenediphenol

4,4'-isobutylethylidenediphenol is a cosmetic ingredient. Exercise caution due to limited available safety data.

Detailed Analysis

This phenolic compound is structurally related to bisphenol A and has been flagged for endocrine-disrupting concerns under EU regulation. It carries H360F (may damage fertility) and H400/H410 (aquatic toxicity) classifications. The EU Scientific Committee on Consumer Safety (SCCS) has expressed concern regarding bisphenol analogues in cosmetic products. Prohibited from cosmetic use under Annex II of the Cosmetics Regulation.

Known Concerns

  • ⚠ Suspected endocrine disruptor (H360F)
  • ⚠ Reproductive toxicity
  • ⚠ Aquatic toxicity (H410)
  • ⚠ EU Annex II prohibited
  • ⚠ Bisphenol analogue concern

Safety Score

18

Avoid

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.