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H8126

Sigma-Aldrich

N-(2-Hydroxyethyl)ethylenediamine-N,N′,N′-triacetic acid

~98%

Sinónimos:

N-Carboxymethyl-N′-(2-hydroxyethyl)-N,N′-ethylenediglycine, HEDTA, HEEDTA

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About This Item

Fórmula lineal:
HOCH2CH2N(CH2CO2H)CH2CH2N(CH2CO2H)2
Número de CAS:
150-39-0
Peso molecular:
278.26
Beilstein/REAXYS Number:
1804795
EC Number:
205-759-3
MDL number:
MFCD00004294
UNSPSC Code:
12352116
PubChem Substance ID:
57654273
NACRES:
NA.22

assay

~98%

form

powder

mp

212 °C (dec.) (lit.)

SMILES string

OCCN(CCN(CC(O)=O)CC(O)=O)CC(O)=O

InChI

1S/C10H18N2O7/c13-4-3-11(5-8(14)15)1-2-12(6-9(16)17)7-10(18)19/h13H,1-7H2,(H,14,15)(H,16,17)(H,18,19)

InChI key

URDCARMUOSMFFI-UHFFFAOYSA-N

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Application

N-(2-Hydroxyethyl)ethylenediamine-N,N′,N′-triacetic acid (HEDTA) can be used as an ionophore for the selective determination of Fe(III) ions by the potentiometric method. It is also used to form complexes with metal ions such as iron(II), copper (II), zinc(II), manganese(II), and uranium(VI) ions. Therefore, HEDTA plays an important role in the separation of f-elements and the treatment and disposal of nuclear waste.

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Skin Irrit. 2

Storage Class

11 - Combustible Solids

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Ana Alvarez-Fernández et al.
Journal of the American Society for Mass Spectrometry, 18(1), 37-47 (2006-10-03)
A high-performance liquid chromatography-electrospray ionization/mass spectrometry (time of flight) method has been developed for the simultaneous determination of synthetic Fe(III)-chelates used as fertilizers. Analytes included the seven major Fe(III)-chelates used in agriculture, Fe(III)-EDTA, Fe(III)-DTPA, Fe(III)-HEDTA, Fe(III)-CDTA, Fe(III)-o,oEDDHA, Fe(III)-o,pEDDHA, and Fe(III)-EDDHMA
S Goldstein et al.
Inorganic chemistry, 40(19), 4966-4970 (2001-09-05)
Volumes of activation for the formation and homolysis of the transient complexes (hedta)Fe(III)-CO(2)(2-) and (hedta)Fe(III)-CH(3)(-) (HOCH(2)CH(2)N(CH(2)CO(2-))CH(2)CH(2)N(CH(2)CO(2-))(2) = hedta) were determined using high-pressure pulse-radiolysis techniques. A comparison of the results with those for analogous complexes with other central transition-metal cations (M(n+))
Monika Bhadauria
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 50(7), 2487-2495 (2012-01-19)
A study was undertaken to evaluate protective effect of chelating agent, N-(2-hydroxy ethyl ethylene diamine triacetic acid) [HEDTA] with and without propolis against aluminum (Al) induced toxicity in liver, kidney and brain. Toxicity was induced by single administration of aluminum
ZuLiang Chen et al.
Rapid communications in mass spectrometry : RCM, 23(3), 419-424 (2009-01-08)
The speciation of Zn-aminopolycarboxylic complexes was investigated using both electrospray ionization mass spectrometry (ESI-MS) and ion chromatography (IC) with inductively coupled plasma mass spectrometry (ICP-MS). The resulting ESI mass spectra indicated that [Zn(HEDTA)](1-), [Zn(NTA)](1-), [Zn(EDTA)](2-) and [Zn(DTPA)](3-) were all simultaneously
Adam T Ruley et al.
Environmental pollution (Barking, Essex : 1987), 144(1), 11-18 (2006-03-09)
Effects of lead (Pb) and chelators, such as EDTA, HEDTA, DTPA, NTA and citric acid, were studied to evaluate the growth potential of Sesbania drummondii in soils contaminated with high concentrations of Pb. S. drummondii seedlings were grown in soil
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