1.0 2010-04-08 22:04:42 UTC 2025-11-18 22:22:10 UTC FDB000749 Edetate trisodium Preservative Ethylenediaminetetraacetic acid, widely abbreviated as EDTA, is a polyamino carboxylic acid and a colourless, water-soluble solid. Its conjugate base is named ethylenediaminetetraacetate. It is widely used to dissolve limescale. Its usefulness arises because of its role as a hexadentate ("six-toothed") ligand and chelating agent, i.e. its ability to "sequester" metal ions such as Ca2+ and Fe3+. After being bound by EDTA, metal ions remain in solution but exhibit diminished reactivity. EDTA is produced as several salts, notably disodium EDTA and calcium disodium EDTA. (Ethylenedinitrilo)tetraacetic acid trisodium salt Acetic acid, (ethylenedinitrilo)tetra-, trisodium salt (8CI) Clewat 300A Edetate trisodium, USAN Edta trisodium salt Ethylenediamineacetic acid trisodium salt Ethylenediaminetetraacetic acid trisodium salt Glycine, N,N'-1,2-ethanediylbis[N-(carboxymethyl)-, sodium salt (1:3) Limclair Nevanaid-b powder Sequestrene Na3 Sequestrene trisodium Sequestrene trisodium salt Trilon ao Trisodium edetate Trisodium edta Trisodium ethylenediamine tetraacetate Trisodium ethylenediaminetetraacetate Trisodium hydrogen (ethylenedinitrilo)tetraacetate Trisodium hydrogen ethylene diaminetetraacetate Trisodium hydrogen ethylenediaminetetraacetate Trisodium versenate Versene 9 C10H13N2Na3O8 358.1881 358.036499427 trisodium 2-({2-[bis(carboxylatomethyl)amino]ethyl}(carboxymethyl)amino)acetate trisodium 2-({2-[bis(carboxylatomethyl)amino]ethyl}(carboxymethyl)amino)acetate 150-38-9 [Na+].[Na+].[Na+].OC(=O)CN(CCN(CC([O-])=O)CC([O-])=O)CC([O-])=O InChI=1S/C10H16N2O8.3Na/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);;;/q;3*+1/p-3 QZKRHPLGUJDVAR-UHFFFAOYSA-K belongs to the class of organic compounds known as tetracarboxylic acids and derivatives. These are carboxylic acids containing exactly four carboxyl groups. Tetracarboxylic acids and derivatives Organic compounds Organic acids and derivatives Carboxylic acids and derivatives Tetracarboxylic acids and derivatives Aliphatic acyclic compounds Alpha amino acids Amino acids Carbonyl compounds Carboxylic acid salts Carboxylic acids Hydrocarbon derivatives Organic oxides Organic sodium salts Organic zwitterions Organopnictogen compounds Trialkylamines Aliphatic acyclic compound Alpha-amino acid Alpha-amino acid or derivatives Amine Amino acid Amino acid or derivatives Carbonyl group Carboxylic acid Carboxylic acid salt Hydrocarbon derivative Organic alkali metal salt Organic nitrogen compound Organic oxide Organic oxygen compound Organic salt Organic sodium salt Organic zwitterion Organonitrogen compound Organooxygen compound Organopnictogen compound Tertiary aliphatic amine Tertiary amine Tetracarboxylic acid or derivatives organic sodium salt logp -0.41 ALOGPS logs -0.46 ALOGPS solubility 1.24e+02 g/l ALOGPS melting_point Mp 300° (monohydrate) logp -5.2 ChemAxon pka_strongest_acidic 1.49 ChemAxon pka_strongest_basic 8.13 ChemAxon iupac trisodium 2-({2-[bis(carboxylatomethyl)amino]ethyl}(carboxymethyl)amino)acetate ChemAxon average_mass 358.1881 ChemAxon mono_mass 358.036499427 ChemAxon smiles [Na+].[Na+].[Na+].OC(=O)CN(CCN(CC([O-])=O)CC([O-])=O)CC([O-])=O ChemAxon formula C10H13N2Na3O8 ChemAxon inchi InChI=1S/C10H16N2O8.3Na/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);;;/q;3*+1/p-3 ChemAxon inchikey QZKRHPLGUJDVAR-UHFFFAOYSA-K ChemAxon polar_surface_area 164.17 ChemAxon refractivity 94.86 ChemAxon polarizability 25.29 ChemAxon rotatable_bond_count 11 ChemAxon acceptor_count 10 ChemAxon donor_count 1 ChemAxon physiological_charge -3 ChemAxon formal_charge 0 ChemAxon Specdb::MsMs 1288648 Specdb::MsMs 1288649 Specdb::MsMs 1288650 Specdb::MsMs 1403407 Specdb::MsMs 1403408 Specdb::MsMs 1403409