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E0396

Sigma-Aldrich

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

BioXtra, ≥97 .0%

Synonym(s):

EGTA, Egtazic acid, Ethylene-bis(oxyethylenenitrilo)tetraacetic acid, Glycol ether diamine tetraacetic acid

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About This Item

Linear Formula:
[-CH2OCH2CH2N(CH2CO2H)2]2
CAS Number:
67-42-5
Molecular Weight:
380.35
Beilstein:
1717370
EC Number:
200-651-2
MDL number:
MFCD00004291
UNSPSC Code:
12352106
PubChem Substance ID:
24894367
NACRES:
NA.77

product line

BioXtra

Quality Level

400

Assay

≥97 .0%

form

powder

reaction suitability

reagent type: chelator

impurities

≤0.0005% Phosphorus (P)
≤0.1% Insoluble matter

ign. residue

≤0.1%

mp

241 °C (dec.) (lit.)

solubility

1 M NaOH: 0.1 M, clear, colorless
H2O: soluble (increases as pH is increased)

anion traces

sulfate (SO42-): ≤0.05%

cation traces

Al: ≤0.0005%
Ca: ≤0.0005%
Cu: ≤0.0005%
Fe: ≤0.0005%
K: ≤0.005%
Mg: ≤0.0005%
NH4+: ≤0.05%
Na: ≤0.05%
Pb: ≤0.001%
Zn: ≤0.0005%

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

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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.

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WGK 2

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