Ethylenediaminetetraacetic acid disodium salt dihydrate

Name: Ethylenediaminetetraacetic acid disodium salt dihydrate
Brand: SIAL

BioUltra, ≥99.0% (T)

Synonym(s):

Disodium ethylenediaminetetraacetate dihydrate, EDTA disodium salt, EDTA-Na₂, Edathamil, Edetate disodium salt dihydrate, Sequestrene Na₂

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About This Item

Empirical Formula (Hill Notation):

C₁₀H₁₄N₂Na₂O₈ · 2H₂O

CAS Number:

6381-92-6

Molecular Weight:

372.24

Beilstein:

3900609

EC Number:

205-358-3

UNSPSC Code:

12352107

PubChem Substance ID:

24845544

NACRES:

NA.25

Assay:

≥99.0% (T)

Grade:

Molecular Biology

Form:

powder or crystals

Solubility:

H₂O: 0.1 M at 20 °C, clear, colorless

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grade

Molecular Biology

Quality Level

200

product line

BioUltra

Assay

≥99.0% (T)

form

powder or crystals

reaction suitability

reagent type: chelator

impurities

DNases, none detected
RNases, none detected
insoluble matter, passes filter test
phosphatases, none detected
proteases, none detected

pH

4.0-5.5 (25 °C, 0.1 M in H₂O)

mp

248 °C (dec.) (lit.)

solubility

H₂O: 0.1 M at 20 °C, clear, colorless

anion traces

chloride (Cl^-): ≤50 mg/kg
sulfate (SO₄^2-): ≤50 mg/kg

cation traces

Al: ≤5 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤20 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

λ

0.1 M in H₂O

UV absorption

λ: 260 nm A_max: 0.145
λ: 280 nm A_max: 0.025

SMILES string

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

InChI

1S/C10H16N2O8.2Na.2H2O/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);;;2*1H2/q;2*+1;;/p-2

InChI key

OVBJJZOQPCKUOR-UHFFFAOYSA-L

Application

Chelator of divalent cations. Inhibits enzymes, such as metalloproteases, that require divalent cations for activity.

Ethylenediaminetetraacetic acid disodium salt dehydrate can be used to study molecular biology, biochemicals, solutions and reagents, biological buffers, DNA and RNA purification, inorganic salts, essential chemicals and chelators. Ethylenediaminetetraacetic acid disodium salt dehydrate has been used in a study to advance monitoring of illegal thyreostatic drugs in livestock. Ethylenediaminetetraacetic acid disodium salt dehydrate has also been used in a study for the determination of 232Th in seawater by ICP-MS after preconcentration and separation using a chelating resin.