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.

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C₁₀H₁₄N₂Na₂O₈

Details

Chemical Formula

C₁₀H₁₄N₂Na₂O₈

EC Number

205-358-3

CAS Number

139-33-3

Industries

Home & Personal care

Applications

Pharmaceuticals
Personal care products
Laboratory chemical
Intermediate

Specification

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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