Edetic acid trisodium salt

Synonyms edetate trisodium edetic acid trisodium salt EDTA trisodium N,N -1,2-ethanediylbis[N-(carboxymethyl)gly-cine] trisodium salt ethylenediaminetetraacetic acid trisodium salt (ethylenedinitrilo)tetraacetic acid trisodium salt Sequestrene NA3 trisodium ethylenediaminetetraacetate Versene-9. 

Uarboxymethyt)glycine trisodiunt salt iethyleriedinitrilo tet-raacetic acid trisodium salt EDTA trisodium ethylenediaminetetraacetic acid trisodhnn salt trisodium ethylenediaminetetraacetate trisodium edetate edetic acid trisodiutn salt Limclair Versene-9 Sequestrene NA 3. C1 H O, mol wt 358.20. C 33.53%, H 3.66%, N 7.82%, Na 19.25%, O 35.73%. Prepn Bersworth, U,S. pat. 2,461,519 (1949). Review Biermans, Henrard, Ind. Chim. 39, 6 (1952). 

Comments more soluble in water than either the disodium salt or the free acid. Trisodium edetate also occurs as the monohydrate and is used in pharmaceutical formulations as a chelating agent. The EINECS number for trisodium edetate is 205-758-8. 

CAS 150-38-9 EINECS/ELINCS 205-758-8 Synonyms Acetic acid, (ethylenedinitrilo) tetra-, trisodium salt Edetate trisodium EDTA trisodium EDTA trisodium salt N,N -1,2-Ethanediylbis [N-(carboxymethyl) glycine], trisodium salt... 

Edetate trisodium more soluble in water than the corresponding acid or disodium salt... 

Note A number of salts of EDTA are available with uses identical or similar to the acid. The USP salts are called edetates (calcium disodium, disodium edetates) others are usually abbreviated to EDTA (tetrasodium, trisodium EDTA). Other salts, known chiefly under trademark names, are the sodium ferric, dihydrogen ferrous and arange of disodium salts with magnesium, divalent cobalt, manganese, copper, zinc, and nickel. 

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