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Allyl chloride (3-Chloropropene)

CAS 107-05-1
5

Safety score · 0–100

Avoid

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

About

A highly hazardous chlorinated alkene with extensive toxicity warnings including CMR classification that is prohibited in cosmetic products.

Allyl chloride (3-chloropropene) carries an extraordinary array of hazard statements: H225 (highly flammable), H301+H311+H331 (toxic by ingestion, dermal contact, and inhalation), H302, H312, H315, H319, H332, H335, H341 (suspected mutagen), H351 (suspected carcinogen), H373 (organ effects), H400 (aquatic toxicity). The compound is classified as a Category 2 carcinogen (H351) and suspected mutagen (H341). It is a classic example of a compound with no place in cosmetic formulations. Any detection would indicate contamination from industrial sources. The compound is prohibited under EU Cosmetics Regulation Annex II.

Known concerns

  • H225 highly flammable
  • H301+H311+H331 toxic by multiple routes
  • H341 suspected mutagen
  • H351 suspected carcinogen (Category 2)
  • H373 organ toxicity
  • H400 aquatic toxicity
  • EU Annex II prohibited
  • Industrial chemical - no 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.