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Preservative

PHENYL MERCURIC BENZOATE

CAS 94-43-9 Updated
2

Safety score · 0–100

Avoid

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

About

An organomercury preservative — banned in EU cosmetics under Annex II. Highly toxic, environmentally persistent mercury compound; should not appear in modern formulas.

Function

PRESERVATIVE

Skin benefits

  • Historically used as preservative

Known concerns

  • EU Annex II banned mercury compound
  • Acute toxicity
  • Aquatic toxicity
  • Bioaccumulative neurotoxin
  • Reproductive hazard

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 — always read the physical product label and consult a healthcare professional for personal concerns.