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Ethylenediaminetetraacetic acid trisodium salt hydrate

≥95%

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Synonym(s):
(Ethylenedinitrilo)tetraacetic acid trisodium salt hydrate, EDTA trisodium salt hydrate, Edathamil hydrate
Empirical Formula (Hill Notation):
C10H13N2Na3O8 · xH2O
CAS Number:
Molecular Weight:
358.19 (anhydrous basis)
EC Number:
MDL number:
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

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This Item
E5391ED2PE4884
Ethylenediaminetetraacetic acid disodium salt dihydrate ACS reagent, 99.0-101.0%

E4884

Ethylenediaminetetraacetic acid disodium salt dihydrate

Essential Grade
form

powder

form

powder

form

powder

form

solid

mp

300 °C

mp

-

mp

255-280 °C (dec.) (lit.)

mp

248 °C (dec.) (lit.)

solubility

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

solubility

H2O: 0.1 M, clear, colorless

solubility

3 M KOH: 160 mg/mL, clear to very slightly hazy, colorless to faintly yellow

solubility

H2O: 100 g/L at 20 °C

storage temp.

room temp

storage temp.

room temp

storage temp.

room temp

storage temp.

room temp

biological source

synthetic (organic)

biological source

synthetic (organic)

biological source

synthetic

biological source

-

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

Storage Class

11 - Combustible Solids

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


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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

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