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Merck

431788

Ethylenediaminetetraacetic acid

99.995% trace metals basis

Synonym(s):

(Ethylenedinitrilo)tetraacetic acid, EDTA, Edathamil, Ethylenedinitrilotetraacetic acid

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About This Item

Linear Formula:
(HO2CCH2)2NCH2CH2N(CH2CO2H)2
CAS Number:
Molecular Weight:
292.24
NACRES:
NA.22
PubChem Substance ID:
eCl@ss:
39030907
UNSPSC Code:
12352116
EC Number:
200-449-4
MDL number:
Beilstein/REAXYS Number:
1716295
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Quality Level

assay

99.995% trace metals basis

form

powder

technique(s)

electrophoresis: suitable

mp

250 °C (dec.) (lit.)

solubility

water: soluble 0.4 g/L at 20 °C

density

1.46 g/cm3 at 20 °C

functional group

amine, carboxylic acid

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

General description

Ethylenediaminetetraacetic acid is a water-soluble chelating agent that can form complexes with metal ions.It is useful for metal ion detection and water treatment

Application

Ethylenediaminetetraacetic acid can be used:
  • As a chelating agent in the preparation of ferromagnetic BiFeO3 nanoparticles by sol-gel process.
  • As a mobile phase in chromatographic separation of rare earth elements.
  • To functionalize the Au nanoparticles, which are used as probes in the colorimetric estimation of chromium(III) ions in solution.



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Warning

Storage Class

11 - Combustible Solids

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

target_organs

Respiratory Tract

pictograms

Health hazardExclamation mark

Hazard Classifications

Acute Tox. 4 Inhalation - Eye Irrit. 2 - STOT RE 2 Inhalation

wgk

WGK 3



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Nuclear magnetic resonance studies of metal-ethylenediaminetetraacetic acid complexes.
Kula RJ
Journal of the American Chemical Society, 85(19), 2930-2936 (1963)
Ethylenediaminetetraacetic acid in endodontics
Z Mohammadi, et al.
European journal of dentistry, 7, S135-S142 (2013)
EDTA: the chelating agent under environmental scrutiny
C Oviedo, et al.
Quimica nova, 26, 901-905 (2003)