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How is EDTA prepared?

In: Organic Chemistry [Edit categories]

Answer:

from ethylenediamine (1,2-diaminoethane), formaldehyde, and sodium cyanide.^[ This route yields the sodium salt, which can be converted in a subsequent step into the acid forms:

H₂NCH₂CH₂NH₂ + 4 CH₂O + 4 NaCN + 4 H₂O → (NaO₂CCH₂)₂NCH₂CH₂N(CH₂CO₂Na)₂ + 4 NH₃

(NaO₂CCH₂)₂NCH₂CH₂N(CH₂CO₂Na)₂ + 4 HCl → (HO₂CCH₂)₂NCH₂CH₂N(CH₂CO₂H)₂ + 4 NaCl

First answer by ID1662271891. Last edit by ID1662271891. Question popularity: 1 [recommend question].

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