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Chelating Agent

TETRAPOTASSIUM PYROPHOSPHATE

CAS 7320-34-5
70

Safety score · 0–100

Fine

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

A mineral salt used to bind metal ions and buffer formulas. Common in toothpaste and rinse-off cleansers. Mild eye irritant; otherwise well-tolerated at typical use levels.

Function

BUFFERINGCHELATINGORAL CARE

Skin benefits

  • Effective chelator binding metal ions
  • Stabilizes formulations against rancidity
  • Buffering agent
  • Improves cleanser performance in hard water

Known concerns

  • Mildly alkaline; can irritate at high levels
  • Eye irritant (GHS H319)
  • Not for prolonged leave-on at high %

References

EU

EU CosIng database

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

PC

PubChem

U.S. NIH compound data, GHS hazard codes and toxicity literature.

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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.