Ethylenediaminediacetic acid

Ethylenediaminediacetic acid
Names
	Preferred IUPAC name 2,2′-[Ethane-1,2-diylbis(azanediyl)]diacetic acid
	Other names N,N′-Ethylenediglycine
Identifiers
CAS Number	5657-17-0;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:132240;
ChEMBL	ChEMBL296340;
ECHA InfoCard	100.024.641
EC Number	227-105-6;
PubChem CID	61975;
UNII	4LX0U5342U;
CompTox Dashboard (EPA)	DTXSID7063970 ;
	InChI InChI=1S/C6H12N2O4/c9-5(10)3-7-1-2-8-4-6(11)12/h7-8H,1-4H2,(H,9,10)(H,11,12) Key: IFQUWYZCAGRUJN-UHFFFAOYSA-N;
	SMILES C(CNCC(=O)O)NCC(=O)O;
Properties
Chemical formula	C6H12N2O4
Molar mass	176.172 g·mol−1
Appearance	white solid
Melting point	228 °C (442 °F; 501 K)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Ethylenediaminediacetic acid (EDDA) is the organic compound with the formula C₂H₄(NHCH₂CO₂H)₂. It is a derivative of two molecules of glycine, wherein the amines are linked. It is a white solid.

The conjugate base is a tetradentate ligand. A representative complex is Na[Co(EDDA)(CO₃)].

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