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C22-alkyltrimethylammonium chloride

CAS 17301-53-0
44

Safety score · 0–100

Moderate

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

About

C22-alkyltrimethylammonium Chloride is a cosmetic ingredient. Exercise caution due to limited available safety data.

Behentrimonium chloride (CAS 17301-53-0) functions as an antistatic and hair conditioning agent primarily in rinse-off hair care formulations. EU Regulation 1223/2009 Annex III establishes specific concentration limits: 5.0% for leave-on hair products and 3.0% for rinse-off products. The compound carries hazard statements including H302 (harmful if swallowed), H312 (harmful in contact with skin), H314 (causes severe skin burns and eye damage), H400 (very toxic to aquatic life), and H410 (very toxic to aquatic life with long lasting effects), indicating significant concerns for both human health and environmental impact.

Skin benefits

  • Effective antistatic conditioning agent for hair
  • Improves wet combing and detangling
  • Provides smoothness and shine to hair
  • Reduces flyaway in hair care formulations

Known concerns

  • Skin sensitization potential
  • Eye damage hazard (H314)
  • Aquatic toxicity (H400/H410)
  • Acute oral and dermal toxicity
  • Specific concentration limits by product type

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.