Ethylenediaminediacetic acid

Ethylenediaminediacetic acid
Names
	Other names N,N'-ethylenediglycine
Identifiers
CAS Number	5657-17-0;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:132240;
ChEMBL	ChEMBL296340;
EC Number	227-105-6;
PubChem CID	61975;
UNII	4LX0U5342U;
	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.[1] A representative complex is Na[Co(EDDA)(CO₃)].[2]

References

Sabo, Tibor, J.; Grguric-Sipka, Sanja R.; Trifunovic, Srecko R. (2002). "Transition Metal Complexes with EDDA-Type Ligands-a Review". Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry. 32: 1661–1717. doi:10.1081/SIM-120015086.CS1 maint: uses authors parameter (link)
Leon J. Halloran, Arlene L. Gillie, J. Ivan Legg (1978). Ethylenediamine-N,N′-Diacetic Acid Complexes of Cobalt(III). Inorg. Synth. Inorganic Syntheses. 18. pp. 103–111. doi:10.1002/9780470132494.ch17. ISBN 9780470132494.CS1 maint: uses authors parameter (link)

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[1] Sabo, Tibor, J.; Grguric-Sipka, Sanja R.; Trifunovic, Srecko R. (2002). "Transition Metal Complexes with EDDA-Type Ligands-a Review". Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry. 32: 1661–1717. doi:10.1081/SIM-120015086.CS1 maint: uses authors parameter (link)

[2] Leon J. Halloran, Arlene L. Gillie, J. Ivan Legg (1978). Ethylenediamine-N,N′-Diacetic Acid Complexes of Cobalt(III). Inorg. Synth. Inorganic Syntheses. 18. pp. 103–111. doi:10.1002/9780470132494.ch17. ISBN 9780470132494.CS1 maint: uses authors parameter (link)