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3-Methylthiofentanyl

CAS 86052-04-2
8

Safety score · 0–100

Avoid

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

3-Methylthiofentanyl is a cosmetic ingredient used in product formulation. Exercise caution due to limited available safety data.

3-Methylthiofentanyl is a synthetic opioid agonist structurally related to fentanyl, classified as a Schedule I substance in most jurisdictions. It has no legitimate use in cosmetic or personal care products and is specifically listed as a controlled substance. Any presence of this compound in cosmetic formulations would constitute a serious regulatory violation under EU Cosmetics Regulation 1223/2009 (Annex II prohibited substances). The ingredient carries extreme safety concerns including respiratory depression and overdose potential.

Known concerns

  • Opioid agonist - not permitted in cosmetics
  • EU Annex II prohibited substance (controlled substance)
  • Serious risk of respiratory depression
  • Schedule I controlled substance

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.