Key Documents

Ethylenediaminetetraacetic acid disodium salt dihydrate

Name: Ethylenediaminetetraacetic acid disodium salt dihydrate
Brand: SIAL

suitable for HPLC, LiChropur^™, 99.0-101.0% (KT)

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

UNSPSC Code:

12352107

NACRES:

NA.21

EC Number:

205-358-3

Beilstein/REAXYS Number:

3900609

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Properties

Quality Level

100

assay

99.0-101.0% (KT)

form

crystals

quality

LiChropur^™

technique(s)

HPLC: suitable

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

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

Description

Application

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

Other Notes

Discover LiChropur^™ reagents ideal for HPLC or LC-MS analysis

Legal Information

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

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This Item	27285	E5134	E4884
Supelco 79884 Ethylenediaminetetraacetic acid disodium salt dihydrate	Sigma-Aldrich 27285 Ethylenediaminetetraacetic acid disodium salt dihydrate	Sigma-Aldrich E5134 Ethylenediaminetetraacetic acid disodium salt dihydrate	Sigma-Aldrich E4884 Ethylenediaminetetraacetic acid disodium salt dihydrate
technique(s) HPLC: suitable	technique(s) -	technique(s) electrophoresis: suitable	technique(s) -
assay 99.0-101.0% (KT)	assay 99.0-101.0%	assay 99.0-101.0% (titration)	assay 99.0-101.0%
Quality Level 100	Quality Level 200	Quality Level 300	Quality Level 200
mp 248 °C (dec.) (lit.)	mp 248 °C (dec.) (lit.)	mp 248 °C (dec.) (lit.)	mp 248 °C (dec.) (lit.)
anion traces chloride (Cl^-): ≤50 mg/kg, sulfate (SO₄^2-): ≤50 mg/kg	anion traces chloride (Cl^-): ≤100 mg/kg, sulfate (SO₄^2-): ≤500 mg/kg	anion traces -	anion traces -
solubility H₂O: 0.1 M at 20 °C, clear, colorless	solubility water: soluble 100 g/L at 20 °C	solubility 3 M NaOH: 1.6 g/10 mL	solubility H₂O: 100 g/L at 20 °C

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pictograms

GHS08,GHS07

signalword

Warning

hcodes

H332,H373

pcodes

P260 - P271 - P304 + P340 + P312 - P314 - P501

Hazard Classifications

Acute Tox. 4 Inhalation - STOT RE 2 Inhalation

target_organs

Respiratory Tract

Storage Class

11 - Combustible Solids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

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