Ethylenediaminetetraacetic Acid

A polydentate ligand that tightly complexes certain metal ions. EDTA is used as a blood preservative by complexing free calcium ion (which promotes blood clotting). EDTA's ability to bind to lead ions makes it useful as an antidote for lead poisoning.


Symbol
C10H16N2O8

Also known as
EDTA, H4EDTA, Diaminoethane-tetraacetic acid, Edetic acid, Ethylenedinitrilo-tetraacetic acid, Versene

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Atomic / Molecular Weight 292.24 gmol-1Clip
Density 860 kgm-3Clip
Melting Point 510 to 518 KClip
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Subjects: Chemistry