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4-Amino-2-nitrophenol

CAS 119-34-6
52

Safety score · 0–100

Moderate

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

4-amino-2-nitrophenol is a cosmetic ingredient used in product formulations. Exercise caution due to limited available safety data.

This amino nitrophenol is structurally related to regulated hair dye intermediates. While not listed in EU Annex II or III, it carries structural alerts for sensitization and its nitro group raises concern for methaemoglobin formation. Concentration limits in finished dyes apply under general product safety provisions.

Known concerns

  • Potential skin sensitizer
  • Nitro compound with metabolic activation concern
  • Not formally restricted but subject to general safety assessment

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.