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BEHENAMIDE DEA

CAS 70496-39-8
48

Safety score · 0–100

Moderate

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

About

A high-chain fatty amide (behenic acid, C22) used as a thickener and foam modifier, restricted in the EU under Annex III/60 due to DEA nitrosamine concerns.

Behenamide DEA is the diethanolamide of behenic acid (docosanoic acid, C22), a very-long-chain saturated fatty acid. It is used as a viscosity modifier, opacifying agent, and foam booster in cosmetic formulations. EU CosIng Annex III entry III/60 covers DEA derivatives including behenamide DEA, imposing restrictions related to NDELA formation potential. The restriction requires that behenamide DEA be of high purity (free of secondary amines), not be combined with nitrosating agents, and comply with specified maximum nitrosamine limits (≤50 ppb NDELA).

Skin benefits

  • Viscosity modification — thickens and opacifies formulations
  • Foam stabilization in Cleanser and shampoo systems
  • Skin conditioning

Known concerns

  • EU Annex III restricted (III/60) — NDELA nitrosamine formation risk
  • Must not be used with nitrosating agents
  • Residual free DEA subject to purity limits
  • Maximum NDELA limit: ≤50 ppb in finished product

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.