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Chelating Agent

POTASSIUM TRISPHOSPHONOMETHYLAMINE OXIDE

CAS 221249-87-2 Updated
60

Safety score · 0–100

Fine

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

About

A potassium phosphonate chelator used to stabilize formulas against metal ions. Effective and skin-mild at typical levels; phosphonates are persistent in waterways which is the main eco caveat.

Function

CHELATING

Skin benefits

  • Chelator
  • Formula stabilizer
  • Hard-water tolerance

Known concerns

  • Environmental persistence
  • Limited cosmetic dossier
  • Eye irritation at high %

References

EU

EU CosIng database

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

Related chelating agents

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HYDROXY METHYLPHENYLPYRIDINONE
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SODIUM DIETHYLENETRIAMINE PENTAMETHYLENE PHOSPHONATE
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TEA-POLYPHOSPHATE
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DISODIUM ALUMINATE GLUCARATE/GLUCONATE/GLYCOLATE/TARTRATE/OXALATE
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DISODIUM CUPRIC CITRATE
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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.