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Ethylenediaminetetraacetic acid calcium disodium salt

EDTA calcium disodium salt, Edathamil, (Ethylenedinitrilo)tetraacetic acid calcium disodium salt
Fórmula lineal:
Número de CAS:
Peso molecular:
EC Number:
MDL number:
PubChem Substance ID:

Quality Level

biological source



97.0-102.0% (titration)




water: 1.6 g/10 mL, clear, colorless to faintly yellow

storage temp.

room temp

SMILES string




InChI key


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Used to eliminate enzyme inhibition by traces of heavy metals, and to inhibit enzymes that require divalent cations as cofactors. As this form is already chelated with Ca2+, it is selective for divalent cations with greater affinity for EDTA, which it will exchange for Ca2+.

Storage Class Code

11 - Combustible Solids

WGK Germany


Flash Point F

Not applicable

Flash Point C

Not applicable

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

Certificado de Análisis

Certificado de origen

Chelation therapy and cardiovascular outcomes.
Bruce Kleinman
JAMA, 310(4), 431-431 (2013-08-07)
Gervasio A Lamas et al.
JAMA, 309(12), 1241-1250 (2013-03-28)
Chelation therapy with disodium EDTA has been used for more than 50 years to treat atherosclerosis without proof of efficacy. To determine if an EDTA-based chelation regimen reduces cardiovascular events. Double-blind, placebo-controlled, 2 × 2 factorial randomized trial enrolling 1708...
Evaluation of the Trial to Assess Chelation Therapy (TACT): the scientific process, peer review, and editorial scrutiny.
Howard Bauchner et al.
JAMA, 309(12), 1291-1292 (2013-03-28)
Xiaowei Yang et al.
Biochimica et biophysica acta, 1830(8), 4179-4188 (2013-05-04)
The major cytoskeletal protein of most cells is actin, which polymerizes to form actin filaments (F-actin). Each actin monomer (G-actin) contains a divalent alkaline earth metal ion (in vivo Mg(2+); in vitro usually Ca(2+)) as a cofactor that is crucial...
Huma Farid et al.
Oral health and dental management, 12(1), 50-55 (2013-03-12)
This study aimed to compare the frequency of ProTaper rotary instrument fracture with rotary (conventional) and hybrid (rotary and hand files) canal preparation techniques. Secondary objectives were to determine whether there was an association of ProTaper file fracture with the...

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