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TEREPHTHALALDEHYDE

CAS 623-27-8
20

Safety score · 0–100

Caution

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

An aromatic dialdehyde used as a polymer crosslinker. GHS-classified as toxic on skin contact and by inhalation. Should not appear as a leave-on cosmetic ingredient.

Function

PRESERVATIVE

Skin benefits

  • Reactive aldehyde used in polymer crosslinking
  • Functional only as processing aid

Known concerns

  • GHS H302 harmful if swallowed
  • GHS H311 toxic in skin contact
  • GHS H331 toxic if inhaled
  • GHS H315/H319/H335 irritation
  • Not appropriate as a leave-on cosmetic ingredient

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.