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Disodium EDTA

Product Information

CAS Number


Other Names

Disodium EDTA
Disodium dihydrogen ethylenediamine-N,N,N',N'-tetraacetate, dihydrate
EDTA, disodium, dihydrate
Ethylene diamine tetraacetic acid, disodium salt
Glycine, N,N'-1,2-ethanediylbis[N-(carboxymethyl)-, disodium salt, dihydrate

Disodium EDTA

About Disodium EDTA

Disodium Ethylenediaminetetraacetate, commonly known as Disodium EDTA or simply EDTA, is a synthetic compound with the chemical formula Na₂C₁₀H₁₄N₂O₈. It is a water-soluble, white, crystalline powder derived from ethylenediamine, a polyamine, and acetic acid. EDTA is a chelating agent, which means it can form strong complexes with metal ions. This property makes it valuable in various applications across different industries, including food, pharmaceuticals, cosmetics, and industrial processes.

Chelating Agent

Its primary use is as a chelating agent, which means it can bind with and sequester metal ions. This is especially useful in preventing the adverse effects of metal ions, such as oxidation and rancidity, in various products.


In the food and cosmetics industries, EDTA is used as a preservative to enhance the stability and shelf life of products by preventing the degradation of color, flavor, and texture caused by metal ions.

Medical and Pharmaceutical Applications

EDTA is used in medicine as a chelating agent to treat heavy metal poisoning, particularly lead poisoning. It is also utilized in some medical diagnostic tests.


In cosmetics and personal care products, Disodium EDTA is employed to improve the stability of formulations and maintain product quality.

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