MilliporeSigma
All Photos(6)

E4378

Sigma-Aldrich

Ethylene glycol-bis(2-aminoethylether)-N,N,N′,N′-tetraacetic acid

≥97.0%

Synonym(s):
EGTA, Egtazic acid, Ethylene-bis(oxyethylenenitrilo)tetraacetic acid, Glycol ether diamine tetraacetic acid
Linear Formula:
[-CH2OCH2CH2N(CH2CO2H)2]2
CAS Number:
Molecular Weight:
380.35
Beilstein:
1717370
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.77

biological source

synthetic (organic)

Quality Level

assay

≥97.0%

form

powder

loss

≤1.0% loss on drying

mp

241 °C (dec.) (lit.)

solubility

1 M NaOH: 1.1 g/10 mL, clear, colorless

storage temp.

room temp

SMILES string

OC(=O)CN(CCOCCOCCN(CC(O)=O)CC(O)=O)CC(O)=O

InChI

1S/C14H24N2O10/c17-11(18)7-15(8-12(19)20)1-3-25-5-6-26-4-2-16(9-13(21)22)10-14(23)24/h1-10H2,(H,17,18)(H,19,20)(H,21,22)(H,23,24)

InChI key

DEFVIWRASFVYLL-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Related Categories

Packaging

10, 25, 100, 250, 500 g in poly bottle
1 kg in poly bottle

Application

A chelating agent useful for the determination of calcium in the presence of magnesium.

Biochem/physiol Actions

Ethylene glycol-bis(2-aminoethylether)-N,N,N′,N′-tetraacetic acid A is a chelating agent used for the determination of calcium in the presence of magnesium.

Physical properties

solubility in water increases with pH

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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