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Ethylenediaminetetraacetic acid disodium salt solution

for molecular biology, 0.5 M in H2O, DNase, RNase, NICKase and protease, none detected

EDTA disodium salt, (Ethylenedinitrilo)tetraacetic acid disodium salt, EDTA-Na2
Fórmula lineal:
Número de CAS:
Peso molecular:
MDL number:
PubChem Substance ID:

Quality Level


for molecular biology


0.2 μm filtered


0.5 M in H2O

foreign activity

DNase, RNase, NICKase and protease, none detected

SMILES string




InChI key


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General description

Ethylenediaminetetraacetic acid disodium salt solution is a chelating agent suitable for molecular biology applications.

Preparation Note

Prepared in 18 megohm water with Molecular Biology Reagent EDTA (E 5134)


Health hazard




Hazard Classifications

STOT RE 2 Inhalation

Target Organs

Respiratory Tract

Storage Class Code

12 - Non Combustible Liquids

WGK Germany


Flash Point F

Not applicable

Flash Point C

Not applicable

Certificado de Análisis

Certificado de origen

  1. Can a solution of EDTA disodium salt, Product E7889, be autoclaved?

    Yes, solutions of EDTA may be autoclaved.

  2. What is the pH of E7889, EDTA disodium salt solution?

    E7889 has a pH specification of 7.5 to 8.5 at 25 °C.

  3. How many divalent cations does Product E7889, EDTA disodium salt, complex with?

    EDTA forms 1:1 complex with divalent cations.

  4. What type of biological activity does Product E7889, EDTA disodium salt, exhibit?

    EDTA is a metal ion-dependent enzyme inhibitor. It may be used as a metalloprotease inhibitor at a concentration of 1-10 μm, or as a DNAse I inhibitor at a concentration of 1-10 mM.

  5. At what concentration should I use Product E7889, EDTA disodium salt, as an anticoagulant?

    The optimal concentration of EDTA to be used as an anticoagulant is 1.5 mg of EDTA disodium salt per ml of blood or 1-2 drops of a 2% EDTA solution per ml of blood.

  6. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  7. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  8. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

  9. What is the Department of Transportation shipping information for this product?

    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

  10. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

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