Hydroxyethylethylenediaminetriacetic acid

Hydroxyethylethylenediaminetriacetic acid
Names
	IUPAC name N-(Carboxymethyl)-N-{2-[N-(2-hydroxyethyl)glycino]ethyl}glycine
	Systematic IUPAC name 2,2′-({2-[(2-Hydroxyethyl)(carboxymethyl)amino]ethyl}azanediyl)diacetic acid
Identifiers
CAS Number	150-39-0;
3D model (JSmol)	Interactive image;
ChEMBL	ChEMBL1620428;
ChemSpider	8443;
ECHA InfoCard	100.005.237
EC Number	205-759-3;
PubChem CID	8773;
UNII	R79J91U341;
CompTox Dashboard (EPA)	DTXSID1059737 ;
	InChI InChI=1S/C10H18N2O7/c13-4-3-11(5-8(14)15)1-2-12(6-9(16)17)7-10(18)19/h13H,1-7H2,(H,14,15)(H,16,17)(H,18,19) Key: URDCARMUOSMFFI-UHFFFAOYSA-N;
	SMILES C(CN(CC(=O)O)CC(=O)O)N(CCO)CC(=O)O;
Properties
Chemical formula	C10H18N2O7
Molar mass	278.261 g·mol−1
Hazards
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H315, H319, H335
Precautionary statements	P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Hydroxyethylethylenediaminetriacetic acid also known as HEDTA is a tricarboxylic acid and amine. It is a hexadentate ligand. It can chelate or form salts with many metals.^[1]

References

^ Chaberek, S.; Martell, Arthur E. (March 1955). "Interaction of Divalent Metal Ions with N-Hydroxyethylethylenediaminetriacetic Acid". Journal of the American Chemical Society. 77 (6): 1477–1480. doi:10.1021/ja01611a022.