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E7889

Sigma-Aldrich

Ethylenediaminetetraacetic acid disodium salt solution

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

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Synonym(s):
(Ethylenedinitrilo)tetraacetic acid disodium salt, EDTA disodium salt, EDTA-Na2
Linear Formula:
[-CH2N(CH2CO2Na)CH2CO2H]2
CAS Number:
139-33-3
Molecular Weight:
336.21
Beilstein:
3822669
MDL number:
MFCD00070672
UNSPSC Code:
12352107
PubChem Substance ID:
24894660
NACRES:
NA.31

grade

for molecular biology

Quality Level

300

sterility

0.2 μm filtered

form

liquid

reaction suitability

reagent type: chelator

concentration

0.5 M in H2O

pH

7.5-8.5

suitability

suitable for molecular biology

application(s)

microbiology

foreign activity

DNase, RNase, NICKase and protease, none detected

SMILES string

[Na+].[Na+].OC(=O)CN(CCN(CC(O)=O)CC([O-])=O)CC([O-])=O

InChI

1S/C10H16N2O8.2Na/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);;/q;2*+1/p-2

InChI key

ZGTMUACCHSMWAC-UHFFFAOYSA-L

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General description

Ethylenediaminetetraacetic acid (EDTA) is a polyprotic acid. The four carboxylic acid and two amine groups with lone-pair electrons of EDTA can chelate calcium and several other metal ions.
Ethylenediaminetetraacetic acid disodium salt solution is a chelating agent suitable for molecular biology applications.

Application

Ethylenediaminetetraacetic acid disodium salt solution has been used:
  • in Tris hydrochloric acid (HCl) for digesting proteinase-K to determine the amount of DNA in the corneal sample
  • with papain to digest corneal samples for the quantification of glycosaminoglycan (GAG) content
  • in pretreatment for detaching epithelial cells grown to 80% confluency
  • to prepare stock solutions for lysis buffer
  • in the preparation of urea lysis buffer

Features and Benefits

molecular biology grade

Preparation Note

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

Other Notes

For additional information on our range of Biochemicals, please complete this form.

Pictograms

Health hazard
GHS08

Signal Word

Warning

Hazard Statements

H373

Precautionary Statements

P260 - P314 - P501

Hazard Classifications

STOT RE 2 Inhalation

Target Organs

Respiratory Tract

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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  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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Myeloid dendritic cells (DCs) have the innate capacity to sense pathogens and orchestrate immune responses. However, DCs do not mount efficient immune responses to HIV-1, primarily due to restriction of virus reverse transcription, which prevents accumulation of viral cDNA and
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