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Merck
CN

03659

乙二胺四乙酸 二钾盐 二水合物

BioUltra, ≥99.0% (KT)

别名:

EDTA 二钾盐, 乙二胺四乙酸二钾盐 二水合物, 乙二胺四乙酸钾, 依地酸, 四乙酸二氨基乙烯 二钾盐

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关于此项目

线性分子式:
HOOCCH2(KOOCCH2)NCH2CH2N(CH2COOK)CH2COOH · 2H2O
化学文摘社编号:
分子量:
404.45
NACRES:
NA.25
UNSPSC Code:
12352107
EC Number:
217-895-0
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InChI key

JFROQFOCFOKDKU-UHFFFAOYSA-L

InChI

1S/C10H16N2O8.2K.2H2O/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);;;2*1H2/q;2*+1;;/p-2

SMILES string

O.O.O.O.[K+].[K+].[K+].[K+].OC(=O)CN(CCN(CC([O-])=O)CC([O-])=O)CC(O)=O.OC(=O)CN(CCN(CC(O)=O)CC([O-])=O)CC([O-])=O

product line

BioUltra

assay

≥99.0% (KT)

form

powder

reaction suitability

reagent type: chelator

impurities

insoluble matter, passes filter test

pH

4.0-5.0 (25 °C, 0.1 M in H2O)

mp

255-280 °C (dec.) (lit.)

solubility

H2O: 0.1 M at 20 °C, clear, colorless

anion traces

chloride (Cl-): ≤50 mg/kg, sulfate (SO42-): ≤100 mg/kg

cation traces

Al: ≤5 mg/kg, As: ≤0.1 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, Li: ≤5 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, Na: ≤1000 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤5 mg/kg, Zn: ≤5 mg/kg

λ

0.1 M in H2O

UV absorption

λ: 260 nm Amax: 0.15, λ: 280 nm Amax: 0.02

Quality Level

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Application

用于消除因痕量重金属引起的对酶催化反应的抑制
Ethylenediaminetetraacetic acid dipotassium salt dehydrate can be used to study chelators, biochemicals and reagents. Ethylenediaminetetraacetic acid dipotassium salt dehydrate has been used to study the three dimensional hierarchy structures from self-assembly of quantum dots. Ethylenediaminetetraacetic acid dipotassium salt dehydrate acts as a catalyst by partially removing thiol stabilizers from the nanoparticle surface to induce the stabilization reaction of CdTe nanoparticles.

pictograms

Exclamation mark

signalword

Warning

hcodes

Hazard Classifications

Acute Tox. 4 Inhalation

存储类别

11 - Combustible Solids

wgk

WGK 2

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

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Zhiyong Tang et al.
Journal of the American Chemical Society, 128(21), 7036-7042 (2006-05-25)
CdTe nanoparticles stabilized by l-cysteine are chemically transformed into CdS nanoparticles of the same diameter via an intermediate CdTeS alloy without any auxiliary source of sulfur. The reaction is induced by ethylenediaminetetraacetic acid dipotassium salt dehydrate (EDTA), which was demonstrated
Wei-Guo Yao et al.
Journal of nanoscience and nanotechnology, 11(2), 1297-1302 (2011-04-02)
We have reported first example of 3D hierarchy structure from self-assembly of water-soluble QDs followed by chemical reaction control. After addition of ethylenediaminetetraacetic acid, dipotassium salt dehydrate (EDTA) into L-cysteine-stabilized CdTe QD solution, the color of solution was observed to
Lisa K Philp et al.
PloS one, 10(2), e0117494-e0117494 (2015-02-07)
High saturated fat (HF-S) diets increase intramyocellular lipid, an effect ameliorated by omega-3 fatty acids in vitro and in vivo, though little is known about sex- and muscle fiber type-specific effects. We compared effects of standard chow, HF-S, and 7.5%

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