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Merck
CN

03609

Sigma-Aldrich

乙二胺四乙酸

BioUltra, ≥99.0% (KT)

别名:

EDTA, Ethylenedinitrilotetraacetic acid, 亚乙基二次氮基四乙酸, 依地酸

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About This Item

线性分子式:
(HO2CCH2)2NCH2CH2N(CH2CO2H)2
CAS号:
分子量:
292.24
Beilstein:
1716295
EC 号:
MDL编号:
UNSPSC代码:
12352116
eCl@ss:
39030907
PubChem化学物质编号:
NACRES:
NA.25

产品线

BioUltra

质量水平

检测方案

≥99.0% (KT)

形式

powder

反应适用性

reagent type: chelator

杂质

insoluble matter, passes filter test

pH值(酸碱度)

2.5 (23 °C, 10 g/L)

mp

250 °C (dec.) (lit.)

溶解性

0.1 M NaOH: 0.1 M at 20 °C, clear, colorless

痕量阴离子

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

痕量阳离子

Al: ≤10 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
K: ≤50 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤500 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

λ

0.1 M in 1 M NaOH

紫外吸收

λ: 260 nm Amax: ≤1.00
λ: 280 nm Amax: ≤0.05

SMILES字符串

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

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应用

乙二胺四乙酸 (EDTA) 是一种具有螯合二价阳离子(如钙和铯)能力的六齿配体和螯合剂。EDTA 广泛用于需要或使用隔离二价阳离子的领域。EDTA 用于人工限制性 DNA 切割工具的研究。

其他说明

阴离子和金属阳离子的测定采用单柱色谱法,以 EDTA 为淋洗液,采用电导法和紫外检测法 ;毛细管电泳 DNA 酶切分析中的缓冲液组分

象形图

Exclamation mark

警示用语:

Warning

危险声明

危险分类

Eye Irrit. 2

WGK

WGK 2

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

dust mask type N95 (US), Eyeshields, Gloves


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