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Merck
CN

H8126

N-(2-羟乙基)乙二胺-N,N′,N′-三乙酸

~98%

别名:

HEDTA, HEEDTA, N-(2-羟乙基)-亚乙基二氨-三乙酸

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关于此项目

线性分子式:
HOCH2CH2N(CH2CO2H)CH2CH2N(CH2CO2H)2
化学文摘社编号:
150-39-0
分子量:
278.26
UNSPSC Code:
12352116
NACRES:
NA.22
PubChem Substance ID:
57654273
EC Number:
205-759-3
Beilstein/REAXYS Number:
1804795
MDL number:
MFCD00004294

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产品名称

N-(2-羟乙基)乙二胺-N,N′,N′-三乙酸, ~98%

InChI key

URDCARMUOSMFFI-UHFFFAOYSA-N

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)

SMILES string

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

assay

~98%

form

powder

mp

212 °C (dec.) (lit.)

Quality Level

200

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Application

N-(2-羟乙基)乙二胺-N,N′,N′-三乙酸（HEDTA）可用作离子团，通过电位法选择性测定Fe(III)离子。它还用于与金属离子形成络合物，如铁(II)、铜(II)、锌(II)、锰(II)和铀(VI)离子。因此，HEDTA在f元素的分离和核废料的处理处置中起重要作用。

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

Hazard Classifications

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

存储类别

11 - Combustible Solids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
BCCN9056
BCCN6138
BCCN6137
BCCL5084
BCCK9180

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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
Patrícia Graça Zanichelli et al.
Journal of inorganic biochemistry, 98(11), 1921-1932 (2004-11-04)
The [Ru(II)(Hedta)NO(+)] complex is a diamagnetic species crystallizing in a distorted octahedral geometry, with the Ru-N(O) length 1.756(4) A and the RuNO angle 172.3(4) degrees . The complex contains one protonated carboxylate (pK(a)=2.7+/-0.1). The [Ru(II)(Hedta)NO(+)] complex undergoes a nitrosyl-centered one-electron
Y M Tzou et al.
Chemosphere, 51(9), 993-1000 (2003-04-17)
The complexation of Fe(II) with organic ligand results in the decrease of redox potential, and enhances the reduction ability of Fe(II). An important example is the use of Fe(II)-organic complexes to accelerate Cr(VI) reduction. Dissolved O(2) and light can potentially
Swaran J S Flora et al.
Comparative biochemistry and physiology. Toxicology & pharmacology : CBP, 134(3), 319-328 (2003-03-20)
Aluminum, a known neurotoxic substance, has been suggested as a contributing factor in the pathogenesis of Alzheimer's disease. Therapeutic efficacy of combined administration of citric acid (CA) and N-(2-hydroxyethyl) ethylenediaminetriacetic acid (HEDTA) was evaluated in decreasing blood and brain aluminum
C Huang et al.
Plant physiology, 124(1), 415-422 (2000-09-12)
Phosphate (P) is taken up by plants through high-affinity P transporter proteins embedded in the plasma membrane of certain cell types in plant roots. Expression of the genes that encode these transporters responds to the P status of the plants
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