Skip to content

Reactive chemical intermediate

Chloro-N,N-dimethylformiminium chloride

CAS 3724-43-4
10

Safety score · 0–100

Avoid

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

This is the Vilsmeier-Haack reagent, a highly reactive synthesis intermediate that hydrolyzes to release hydrochloric acid. It is not a stable cosmetic ingredient and is hazardous on skin contact.

Skin benefits

  • Useful synthetic intermediate in organic chemistry
  • Vilsmeier reagent for formylation reactions

Known concerns

  • Highly reactive, moisture-sensitive reagent
  • Corrosive and lachrymatory
  • Not appropriate as a finished cosmetic ingredient
  • Releases HCl on contact with water
  • Severe skin and respiratory irritant

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

Check your shelf

Find Chloro-N,N-dimethylformiminium chloride in your products.

Scan any cosmetic product with LuxSense to see if it contains Chloro-N,N-dimethylformiminium chloride and get a full ingredient breakdown with safety scores.

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.