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Banned fragrance derivative

P-TERT-BUTYL-ALPHA-METHYLHYDROCINNAMAL /METHYLANTHRANILATE SCHIFF BASE

CAS 91-51-0
28

Safety score · 0–100

Caution

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

A Schiff base of the banned fragrance ingredient lilial and methylanthranilate. Because it can release a CMR-classified parent compound, it falls under the EU ban and should not appear in cosmetics.

Skin benefits

  • Provides a sweet floral fragrance note from the parent aldehyde
  • Schiff base chemistry historically used to stabilise reactive fragrance aldehydes

Known concerns

  • Lilial (p-tert-butyl-alpha-methylhydrocinnamal) is banned in EU cosmetics from March 2022 as CMR category 1B
  • Schiff base derivatives are expected to release the banned parent on skin
  • Methylanthranilate component is itself photoallergenic and restricted
  • No SCCS opinion supports use of this combination

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.