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Diethylnitrosoamine

CAS 55-18-5
5

Safety score · 0–100

Avoid

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

About

Diethylnitrosoamine is a cosmetic ingredient. Raw material is classified as a suspected carcinogen. Exercise caution due to limited available safety data.

Diethylnitrosoamine (N-nitrosodiethylamine, NDEA) is a potent genotoxic carcinogen (H350) and suspected mutagen (H341) that induces tumours in multiple organs in animal studies. It is classified as a Category 1B carcinogen under EU CLP regulation. It is listed in EU REACH Annex XVII restrictions and is absolutely prohibited from cosmetic products, as nitrosamines are formed from secondary amines and nitrosating agents.

Known concerns

  • Potent genotoxic carcinogen (H350)
  • Mutagenicity (H341)
  • Environmental hazard (H402, H412)
  • Prohibited at ≥0.1% under REACH
  • No safe cosmetic use

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.