1.02010-04-08 22:04:42 UTC2018-05-29 00:30:20 UTCFDB000748Edetate disodiumPreservative and sequestrant in foods
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.Acetic acid, (ethylenedinitrilo)tetra-, disodium salt, dihydrate (8CI)Disodium dihydrogen ethylenediaminetetraacetate dihydrateDisodium edetate dihydrateDisodium EDTA dihydrateDisodium ethylenediaminetetraacetate dihydrateEdta, disodium salt dihydrateEthylenediaminetetraacetic acid disodium salt dihydrateGlycine, N,N'-1,2-ethanediylbis[N-(carboxymethyl)-, disodium salt, dihydrate (9CI)Glycine, N,N'-1,2-ethanediylbis[N-(carboxymethyl)-, sodium salt, hydrate (1:2:2)C10H18N2Na2O10372.2369372.075684156disodium 2-({2-[(carboxylatomethyl)(carboxymethyl)amino]ethyl}(carboxymethyl)amino)acetate dihydratedisodium 2-({2-[(carboxylatomethyl)(carboxymethyl)amino]ethyl}(carboxymethyl)amino)acetate dihydrate6381-92-6O.O.[Na+].[Na+].OC(=O)CN(CCN(CC(O)=O)CC([O-])=O)CC([O-])=OInChI=1S/C10H16N2O8.2Na.2H2O/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);;;2*1H2/q;2*+1;;/p-2OVBJJZOQPCKUOR-UHFFFAOYSA-L 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 derivativesOrganic compoundsOrganic acids and derivativesCarboxylic acids and derivativesTetracarboxylic acids and derivativesAliphatic acyclic compoundsAlpha amino acidsAmino acidsCarbonyl compoundsCarboxylic acid saltsCarboxylic acidsHydrocarbon derivativesOrganic oxidesOrganic sodium saltsOrganic zwitterionsOrganopnictogen compoundsTrialkylaminesAliphatic acyclic compoundAlpha-amino acidAlpha-amino acid or derivativesAmineAmino acidAmino acid or derivativesCarbonyl groupCarboxylic acidCarboxylic acid saltHydrocarbon derivativeOrganic alkali metal saltOrganic nitrogen compoundOrganic oxideOrganic oxygen compoundOrganic saltOrganic sodium saltOrganic zwitterionOrganonitrogen compoundOrganooxygen compoundOrganopnictogen compoundTertiary aliphatic amineTertiary amineTetracarboxylic acid or derivativeshydratemelting_pointMp 252 dec. (dihydrate)logp-5.2pka_strongest_acidic1.49pka_strongest_basic8.13iupacdisodium 2-({2-[(carboxylatomethyl)(carboxymethyl)amino]ethyl}(carboxymethyl)amino)acetate dihydrateaverage_mass372.2369mono_mass372.075684156smilesO.O.[Na+].[Na+].OC(=O)CN(CCN(CC(O)=O)CC([O-])=O)CC([O-])=OformulaC10H18N2Na2O10inchiInChI=1S/C10H16N2O8.2Na.2H2O/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);;;2*1H2/q;2*+1;;/p-2inchikeyOVBJJZOQPCKUOR-UHFFFAOYSA-Lpolar_surface_area161.34refractivity84.02polarizability25.43rotatable_bond_count11acceptor_count10donor_count2physiological_charge-3formal_charge0odorless