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Ethylenediaminediacetic acid

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Ethylenediaminediacetic acid
Names
Preferred IUPAC name 2,2′-diacetic acid
Other names N,N′-Ethylenediglycine
Identifiers
CAS Number
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.024.641 Edit this at Wikidata
EC Number
  • 227-105-6
KEGG
PubChem CID
UNII
CompTox Dashboard (EPA)
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
Appearance white solid
Melting point 228 °C (442 °F; 501 K)
Hazards
GHS labelling:
Pictograms GHS05: CorrosiveGHS07: Exclamation markGHS09: Environmental hazard
Signal word Danger
Hazard statements H302, H315, H318, H319, H335, H411
Precautionary statements P261, P264, P264+P265, P270, P271, P273, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P305+P354+P338, P317, P319, P321, P330, P332+P317, P337+P317, P362+P364, P391, P403+P233, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references
Chemical compound

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.

References

  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. S2CID 94409799.
  2. Leon J. Halloran; Arlene L. Gillie; J. Ivan Legg (1978). "Ethylenediamine- N,N ′-Diacetic Acid Complexes of Cobalt(III)". Inorganic Syntheses. Vol. 18. pp. 103–111. doi:10.1002/9780470132494.ch17. ISBN 978-0-470-13249-4.
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