Ethylenediaminetetraacetic acid 98-100.5% ACS



Please note “Ethylenediaminetetraacetic acid 98-100.5% ACS” has limited stock.

Current Lead Time: 31/01/2022

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Ethylenediaminetetraacetic acid, widely abbreviated as EDTA, is anaminopolycarboxylic acid and a colourless, water-soluble solid. Its conjugate base is named ethylenediaminetetraacetate. It is widely used to dissolve limescale. Its usefulness arises because of its role as a hexadentate (“six-toothed”) ligand and chelating agent, i.e., its ability to “sequester” metal ions such as Ca2+ and Fe3+. After being bound by EDTA, metal ions remain in solution but exhibit diminished reactivity. EDTA is produced as several salts, notably disodium EDTA and calcium disodium EDTA.

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Minimum Assay: 99.34%
Molecular Formula: C10H16N2O8
Molecular Weight: 292.24

Melting Point: 245°C
pH: 2.85 (50gm/L @25°C)
Water: <0.5%
Heavy Metals (as Pb): <0.0004%
Iron (Fe): <0.0005%
Sulphates (SO4): <0.02%
Chelation Value: 340

Hazard Phrases: Causes serious eye irritation.

Prec Phrases: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Cas No: 60-00-4
Einecs No: 200-449-4


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