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Key Documents

Safety Information

03777

Sigma-Aldrich

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

BioUltra, for molecular biology, ≥99.0% (T)

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:
Molecular Weight:
380.35
Beilstein:
1717370
EC Number:
MDL number:
UNSPSC Code:
12352106
PubChem Substance ID:
NACRES:
NA.25

grade

for molecular biology

Quality Level

product line

BioUltra

Assay

≥99.0% (T)

form

powder

reaction suitability

reagent type: chelator

impurities

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

ign. residue

≤0.05% (as SO4)

loss

≤1.0% loss on drying, 110 °C

mp

241 °C (dec.) (lit.)

solubility

0.1 M NaOH: 0.1 M at 20 °C, clear, colorless

anion traces

sulfate (SO42-): ≤50 mg/kg

cation traces

Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 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
Na: ≤200 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

absorption

cut-off at 263 nm in 1 M NaOH at 0.1 M

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

Ethylene glycol-bis(2-aminoethylether)-N,N,N′,N′-tetraacetic acid can be used to study molecular biology, biochemicals, reagents and chelators. Ethylene glycol-bis(2-aminoethylether)-N,N,N′,N′-tetraacetic acid has been used in a study that illustrated the response of the β-cyclodextrin-hemin complex in the induction of cucumber adventitious rooting through heme oxygenase-1-dependent mechanism and calcium signaling.
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.

Other Notes

Buffer component in dideoxy sequencing of RNA using reverse transcriptase.

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

03777-50G:
03777-VAR:
03777-10G:
03777-BULK:


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C.S. Hahn et al.
Methods in Enzymology, 180, 123-123 (1989)
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