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Chelating Agent

DISODIUM PYROPHOSPHATE

CAS 7758-16-9 Updated
82

Safety score · 0–100

Good

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

About

Disodium dihydrogen pyrophosphate — a phosphate salt used in oral care to prevent tartar buildup and as a chelator/buffer in skincare. Long food and cosmetic safety record.

Skin benefits

  • Tartar-control agent in toothpaste
  • Chelator that stabilises formulas against metal-ion catalysed degradation
  • pH buffer in personal-care products

Known concerns

  • Mild eye irritation at higher concentrations
  • Phosphate environmental load
  • Excess oral use can sensitise teeth in some users

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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SODIUM CHITOSAN METHYLENE PHOSPHONATE
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SODIUM POLYASPARTATE
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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.