Date published: 2026-4-4

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Ethylenediamine Tetraacetic Acid Tetrasodium Salt (CAS 67401-50-7)

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Alternate Names:
Edetic Acid
CAS Number:
67401-50-7
Molecular Weight:
380.2
Molecular Formula:
C1OH12N2O8•Na4
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Ethylenediamine Tetraacetic Acid Tetrasodium Salt, Hydrate is used in analytical chemistry as a chelating agent due to its ability to bind and sequester metal ions. This functionality is particularly valuable in water hardness assays and in the preparation of samples where the presence of metal ions could interfere with results. In biochemistry, it is employed to preserve enzyme and protein samples by inhibiting metalloprotease activity, thereby maintaining the integrity of biological specimens. This compound is also utilized in environmental chemistry to study metal contamination in ecosystems by binding with heavy metals, which assists in their removal from soils and waterways. Moreover, Ethylenediamine Tetraacetic Acid Tetrasodium Salt, Hydrate is part of research on plant nutrition, as it can modulate the availability of micronutrients in hydroponic solutions, enhancing the study of plant growth under controlled mineral conditions.


Ethylenediamine Tetraacetic Acid Tetrasodium Salt (CAS 67401-50-7) References

  1. Efficiency Improvement of Dye-Sensitized Solar Cells with Surface-Modified Photoelectrodes.  |  Oh, JH., et al. 2015. J Nanosci Nanotechnol. 15: 1507-10. PMID: 26353681
  2. Fabrication of Poly(styrene-co-maleic anhydride)@Ag Spheres with High Surface Charge Intensity and their Self-Assembly into Photonic Crystal Films.  |  Bi, J., et al. 2017. ChemistryOpen. 6: 637-641. PMID: 29046858

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Ethylenediamine Tetraacetic Acid Tetrasodium Salt, 100 g

sc-294571
100 g
$42.00

Ethylenediamine Tetraacetic Acid Tetrasodium Salt, 500 g

sc-294571A
500 g
$94.00