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E9884

Sigma-Aldrich

Ethylenediaminetetraacetic acid

ACS reagent, 99.4-100.6%, powder

Synonym(s):
(Ethylenedinitrilo)tetraacetic acid, EDTA, Edathamil, Ethylenedinitrilotetraacetic acid
Linear Formula:
(HO2CCH2)2NCH2CH2N(CH2CO2H)2
CAS Number:
Molecular Weight:
292.24
Beilstein:
1716295
EC Number:
MDL number:
eCl@ss:
39030907
PubChem Substance ID:
NACRES:
NA.77

Quality Level

grade

ACS reagent

Assay

99.4-100.6%

form

powder

impurities

≤0.005% insoluble matter
≤0.1% Nitrilotriacetic acid ([HOCOCH2]3N)

ign. residue

≤0.2%

mp

250 °C (dec.) (lit.)

solubility

water: soluble 0.4 g/L at 20 °C

cation traces

Ca: ≤0.001%
Fe: ≤0.005%
Mg: ≤5 ppm
heavy metals: ≤0.001% (byICP-OES)

SMILES string

OC(=O)CN(CCN(CC(O)=O)CC(O)=O)CC(O)=O

InChI

1S/C10H16N2O8/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)

InChI key

KCXVZYZYPLLWCC-UHFFFAOYSA-N

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This Item
03609RDD017E6758
grade

ACS reagent

grade

-

grade

ACS reagent

grade

anhydrous

assay

99.4-100.6%

assay

≥99.0% (KT)

assay

99.4-100.6%

assay

≥98.5%

form

powder

form

powder

form

powder

form

crystalline

impurities

≤0.005% Insol. dil. NH4OH, ≤0.1% Nitrilotriacetic acid ([HOCOCH2]3N)

impurities

insoluble matter, passes filter test

impurities

≤0.005% Insol. Dil. NH4OH, ≤0.1% Nitrilotriacetic acid [[HOCOCH23N]

impurities

-

mp

250 °C (dec.) (lit.)

mp

250 °C (dec.) (lit.)

mp

250 °C (dec.) (lit.)

mp

250 °C (dec.) (lit.)

solubility

water: soluble 0.4 g/L at 20 °C

solubility

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

solubility

H2O: soluble 0.4 g/L at 20 °C

solubility

3  M NaOH: 100 mg/mL

General description

Ethylenediaminetetraacetic acid (EDTA) is a hydrophilic metal chelating agent that transforms metal ions into inactive, cyclic metal complexes. Hence, it has industrial application for resolving metal contamination.

Application

Ethylenediaminetetraacetic acid has been used:
  • as a component of labeling buffer, which is used in the washing step during cell fractionation{155)
  • for investigating the effect of papain enzyme on wound debridement and other skin issues
  • for harvesting rat arterial smooth muscle cell after its pre-treatment for its use in flow cytometry analysis

Biochem/physiol Actions

Ethylenediaminetetraacetic acid (EDTA) is not easily administered by the gastrointestinal tract. Intravenous administration of sodium EDTA results in hypocalcemic tetany. It is generally useful in plasma or molecular diagnostics and acts by chelating calcium. EDTA serves as an anticoagulant for haematological cell counting and cell morphological analysis.

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Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2

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

Certificate of Analysis

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Certificate of Origin

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