nitrilotriacetate(3-) Gmelin:50722 chebi_ontology CHEBI:25548 188.11498 188.02116 nitrilotriacetic acid ion(3-) [O-]C(=O)CN(CC([O-])=O)CC([O-])=O -3 CAS:28528-44-1 C6H6NO6 2,2',2''-nitrilotriacetate nta(3-) UM-BBD_compID:c0557 Beilstein:3550639 nitrilotriacetate MGFYIUFZLHCRTH-UHFFFAOYSA-K A tricarboxylic acid trianion resulting from the deprotonation of all three hydroxy groups of nitrilotriacetic acid. InChI=1S/C6H9NO6/c8-4(9)1-7(2-5(10)11)3-6(12)13/h1-3H2,(H,8,9)(H,10,11)(H,12,13)/p-3 tricarboxylic acid trianion NTA nitrilotriacetate(2-)