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Chelating Agent

POTASSIUM EDTMP

CAS 34274-30-1 Updated
65

Safety score · 0–100

Fine

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

About

The potassium salt of EDTMP, a phosphonate chelator that locks up metal ions to keep formulas stable. Generally low irritation, with environmental persistence as the main caveat.

Function

CHELATING

Skin benefits

  • Strong chelator of multivalent metal ions
  • Improves preservative efficacy and product stability
  • Reduces metal-catalyzed oxidation
  • Effective at low use levels

Known concerns

  • Phosphonates have moderate aquatic toxicity
  • Possible mild skin irritation at higher concentrations
  • Persistent in environment vs alternatives like GLDA
  • Eye-irritation potential in concentrated form

References

EU

EU CosIng database

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

Related chelating agents

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DISODIUM CUPRIC CITRATE
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METHYL CARBOXYMETHYLPHENYL AMINOCARBOXYPROPYLPHOSPHONATE
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PENTAPOTASSIUM TRIPHOSPHATE
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PENTASODIUM ETHYLENEDIAMINE TETRAMETHYLENE PHOSPHONATE
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SODIUM GLYCERETH-1 POLYPHOSPHATE
Chelating Agent
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TEA-POLYPHOSPHATE
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DIETHYL OXALATE
Chelating Agent

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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.