Disodium EDTA

Disodium EDTA is widely used as a chelating agent due to its ability to bind, and therefore decrease the reactivity of, metal ions that may be present in a product. It is used for several types of home and personal care products such as detergents and cosmetics. Although mostly associated with personal care products, disodium EDTA can also be used in e.g. surface treatment products.



Chemical Formula


EC Number


CAS Number


  • Home & Personal care
  • Pharmaceuticals
  • Personal care products
  • Laboratory chemical
  • Intermediate


  • EDTA-Na₂: ≥99.00%
  • Chloride (Cl): ≤0.020%
  • Sulphate (SO₄²⁻): ≤0.020%
  • Nitrilotriacetic acid: ≤0.10%
  • Lead (Pb): ≤10 ppm
  • Iron (Fe): ≤10 ppm
  • Chelating value (mg CaCO₃/g): ≥265
  • pH in 1% water solution at 25°C: 4.0-5.0

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