carboxylic acid anion EDTA(4-) -4 288.06156 288.212 pubmed:22232891 agr:IND601129247 beilstein:3914756 pubmed:22116197 CHEBI:30378 2,2',2'',2'''-(ethane-1,2-diyldinitrilo)tetraacetate gmelin:144943 C10H12N2O8 pubmed:11370764 chebi_ontology KCXVZYZYPLLWCC-UHFFFAOYSA-J pubmed:23587055 pubmed:31704581 CHEBI:42191 InChI=1S/C10H16N2O8/c13-7(14)3-11(4-8(15)16)1-2-12(5-9(17)18)6-10(19)20/h1-6H2,(H,13,14)(H,15,16)(H,17,18)(H,19,20)/p-4 pubmed:32821617 pubmed:33811400 (ethane-1,2-diyldinitrilo)tetraacetate pubmed:34152137 ethylenediaminetetraacetate tetraanion ethylenediamine tetraacetic acid tetraanion cas:150-43-6 A tetracarboxylic acid anion formed by deprotonation of all four carboxy groups in ethylenediaminetetraacetic acid (EDTA). ethylenediaminetetraacetate pubmed:34277313 EDTA, ion(4-) O=C([O-])CN(CCN(CC(=O)[O-])CC(=O)[O-])CC(=O)[O-] agr:IND605249959 EDTA tetraanion pubmed:16472851 (ethane-1,2-diyldinitrilo)tetraacetate (ethylenedinitrilo)tetraacetic acid, ion(4-)