Skip to Content
MilliporeSigma
All Photos(4)

Documents

ED3SS

Sigma-Aldrich

Ethylenediaminetetraacetic acid trisodium salt hydrate

≥95%

Synonym(s):

(Ethylenedinitrilo)tetraacetic acid trisodium salt hydrate, EDTA trisodium salt hydrate, Edathamil hydrate

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
C10H13N2Na3O8 · xH2O
CAS Number:
Molecular Weight:
358.19 (anhydrous basis)
EC Number:
MDL number:
UNSPSC Code:
12352202
PubChem Substance ID:
NACRES:
NA.77

biological source

synthetic (organic)

Quality Level

assay

≥95%

form

powder

reaction suitability

reagent type: chelator

mp

300 °C

solubility

1 M NaOH: soluble, clear, colorless to light yellow

storage temp.

room temp

SMILES string

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

InChI

1S/C10H16N2O8.3Na.H2O/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);;;;1H2/q;3*+1;/p-3

InChI key

KKTNQJMZBPLVKM-UHFFFAOYSA-K

Application

Used to eliminate enzyme inhibition by traces of heavy metals, and to inhibit enzymes that require divalent cations as cofactors.

Other Notes

This is a physical blend of the disodium and tetrasodium salts of EDTA.

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


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’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Marc Gentzel et al.
Methods (San Diego, Calif.), 164-165, 67-72 (2019-04-07)
The identification of bona fide protein-protein interactions and the mapping of proteomes was greatly enhanced by protein tagging for generic affinity purification methods and analysis by mass spectrometry (AP-MS). The high quality of AP-MS data permitted the development of proteomic

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service