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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
Assay:
~98%
Form:
powder

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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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Y M Tzou et al.
Journal of environmental quality, 32(6), 2076-2084 (2003-12-17)
Detoxification of Cr(VI) through reduction has been considered an effective method for reclaiming Cr-contaminated soil, sediment, and waste water. Organic matter is widely distributed in soil and aquatic systems; however, low Cr(VI) reduction rates inhibit the adoption of Cr reduction
H Chen et al.
Chemosphere, 45(1), 21-28 (2001-09-27)
Phytoremediation has shown great potential as an alternative treatment for the remediation of heavy-metal-contaminated soils and groundwater. However, the lack of a clear understanding pertaining to metal uptake/translocation mechanisms, enhancement amendments, and external effects on phytoremediation has hindered its full-scale
Anders D Nielsen et al.
Analytical biochemistry, 314(2), 227-234 (2003-03-26)
Determination of binding parameters for metal ion binding to proteins usually requires preceding steps to remove protein-bound metal ions. Removal of bound metal ions from protein is often associated with decreased stability and inactivation. We present two simple isothermal titration
ZuLiang Chen et al.
Analytical and bioanalytical chemistry, 374(3), 520-525 (2002-10-10)
An on-column complexation method has been developed for the simultaneous determination of V(IV) and V(V). Vanadium species were chelated with aminopolycarboxylic acids to form anionic complexes which were separated by capillary zone electrophoresis (CZE) with direct UV detection. Ethylenediaminetetraacetic acid
Jose M Alvarez
Journal of agricultural and food chemistry, 55(9), 3568-3576 (2007-04-05)
The objective of this study was to compare the distribution, mobility, and relative effectiveness of Zn from Zn-amino acids (Zn-AA) and Zn-DTPA-HEDTA-EDTA (Zn-CH) (DTPA, diethylenetriaminepentaacetate; HEDTA, N-2-hydroxyethyl-ethylenedinitrilotriacetate; and EDTA, ethylenedinitrilotetraacetate) sources by applying different Zn levels to weakly acidic and
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