All Photos(2)

1.08454

Supelco

Ethylenedinitrilotetraacetic acid disodium salt dihydrate

Ethylenedinitrilotetraacetic acid disodium salt dihydrate. CAS 6381-92-6, chemical formula C₁₀H₁₄N₂O₈*2Na*2H₂O.

Synonym(s):
Edetate disodium salt dihydrate, Disodium ethylenediaminetetraacetate dihydrate, EDTA disodium salt, Edathamil, Disodium dihydrogen ethylenediaminetetraacetate, Ethylenediaminetetraacetic acid disodium salt, Ethylenediaminetetraacetic acid disodium salt dihydrate, EDTA-Na2, Sequestrene Na2
Empirical Formula (Hill Notation):
C10H14N2Na2O8 · 2H2O
CAS Number:
Molecular Weight:
372.24
Beilstein:
3900609
EC Index Number:
205-358-3

Quality Level

form

solid

potency

>2000 mg/kg LD50, oral (Rat)

reaction suitability

reaction type: Complexometric reactions

application(s)

titration: suitable

pH

4-5 (20 °C, 50 g/L in H2O)

mp

248 °C (dec.) (lit.)

solubility

100 g/L

bulk density

700 kg/m3

storage temp.

no temp limit

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

Looking for similar products? Visit Product Comparison Guide

Related Categories

Application

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

Analysis Note

Assay (complexometric; calculated as dihydrate): 99.0 - 101.0 %
Identity (IR-spectrum): passes test
Identity (Complexation): passes test
Identity (Sodium): passes test
pH (50 g/l; water): 4.0 - 5.5
In water insoluble matter: ≤ 0.003 %
Chloride (Cl): ≤ 0.004 %
Sulphate (SO₄): ≤ 0.01 %
Cyanide (CN): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.0005 %
Cu (Copper): ≤ 0.0001 %
Fe (Iron): ≤ 0.0005 %
Pb (Lead): ≤ 0.001 %
Nitrilotriacetic acid (HPLC): ≤ 0.05 %
Loss on drying (150 °C; 6 h): 8.7 - 11.4 %

Other Notes

Elimination of water of crystallization: 110 °C

Pictograms

Exclamation markHealth hazard

Signal Word

Warning

Hazard Statements

Hazard Classifications

Acute Tox. 4 Inhalation - Aquatic Chronic 3 - STOT RE 2 Inhalation

Target Organs

Respiratory Tract

Storage Class Code

11 - Combustible Solids

WGK Germany

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Certificate of Origin

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