Skip to content

Chelating Agent

DISODIUM PYROPHOSPHATE

CAS 7758-16-9
82

Safety score · 0–100

Good

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

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.

View →

Related chelating agents

82
CALCIUM GLUCOHEPTONATE
Chelating Agent
 82
DIAMMONIUM EDTA
Chelating Agent
 82
PHYTIC ACID
Chelating Agent
 82
PHYTIN
Chelating Agent
 82
POTASSIUM GLUCOHEPTONATE
Chelating Agent
 82
PROPANE TRICARBOXYLIC ACID
Chelating Agent
 82
SODIUM CHITOSAN METHYLENE PHOSPHONATE
Chelating Agent
 82
SODIUM POLYASPARTATE
Chelating Agent

Check your shelf

Find DISODIUM PYROPHOSPHATE in your products.

Scan any cosmetic product with LuxSense to see if it contains DISODIUM PYROPHOSPHATE and get a full ingredient breakdown with safety scores.

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.