Tetraacetic Acid ACS

Tetraacetic Acid ACS

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Tetraacetic Acid ACS

EDTA acid is a synthetic amino acid, which is used to treat lead and mercury poisoning. Sodium or calcium EDTA acid binds to metals, such as nickel, copper, and iron and make them unavailable to react with other ingredients in a product or compounds within the human body. Compounds that act in this way are known as chelating agents and thus EDTA acid is a chelating agent.

Typical appearance: white solid
Analytical use: chelating agent
Change in state (approximate): melting point, 220ºC, with decomposition
Aqueous solubility: 0.05g in 100 ml at 25ºC

Assay 99.4 – 100.6% C10H16N2O8
  Maximum Allowable
Insoluble in dilute ammonium hydroxide 0.005%
Residue after ignition 0.2%
Nitrilotriacetic acid [(HOCOCH4)3N] 0.1%
Calcium (Ca) 0.001%
Magnesium (Mg) 5 ppm
Heavy metals (as Pb) 0.001%
Iron (Fe) 0.005%