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DIHYDROGENATED TALLOWAMIDOETHYL HYDROXYETHYLMONIUM METHOSULFATE

CAS 91995-81-2 (generic)
22

Safety score · 0–100

Caution

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

About

A cosmetic ingredient. Dihydrogenated Tallowamidoethyl Hydroxyethylmonium Methosulfate is the quaternary ammonium compound that conforms generally to the formula, where RCO- represents the acyl groups derived from hydrogenated tallow. Exercise caution due to limited available safety data.

This compound is structurally analogous to the chloride salt (id 28930) but with methosulfate as the counterion. Like its chloride counterpart, it is a di-long-chain alkyl quaternary ammonium compound used primarily as a fabric softening agent in textile care applications. It carries acute toxicity hazard classifications for oral and dermal exposure and is not listed in any positive list of approved cosmetic ingredients under EU Regulation 1223/2009. Its presence in a cosmetic ingredient database would be anomalous and is likely an error or cross-contamination from industrial surfactant databases.

Known concerns

  • Acute oral and dermal toxicity concerns (similar to chloride analog)
  • Not authorized for cosmetic use in the EU
  • Not listed in EU CosIng positive lists for cosmetic ingredients

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.