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Merck

E1644

Sigma-Aldrich

乙二胺四乙酸 二钠盐 二水合物

98.5-101.5%, BioUltra

别名:

EDTA 二钠盐, EDTA-Na2, 乙二胺四乙酸Na2, 乙二胺四乙酸盐 二钠盐 二水合物, 二钠乙二胺四乙酸盐 二水合物, 依地酸钙钠

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100 G
$105.00
250 G
$186.00
1 KG
$439.00

About This Item

经验公式(希尔记法):
C10H14N2Na2O8 · 2H2O
CAS号:
分子量:
372.24
Beilstein:
3900609
EC 号:
UNSPSC代码:
12352107
PubChem化学物质编号:
NACRES:
NA.77

$105.00


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生物来源

synthetic (organic)

质量水平

产品线

BioUltra

方案

98.5-101.5%

表单

powder

反应适用性

reagent type: chelator

杂质

≤0.005% Phosphorus (P)
≤0.05% NH3
≤0.1% Insoluble matter

pH值(酸碱度)

4.0-6.0 (0.1 M in H2O)

mp

248 °C (dec.) (lit.)

溶解性

H2O: 0.1 M, clear, colorless

痕量阳离子

Al: ≤0.001%
Ca: ≤0.0005%
Cu: ≤0.0005%
Fe: ≤0.0005%
K: ≤0.005%
Mg: ≤0.0005%
Pb: ≤0.001%
Zn: ≤0.0005%

储存温度

room temp

SMILES字符串

O.O.O.O.[Na+].[Na+].[Na+].[Na+].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

InChI

1S/C10H16N2O8.2Na.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

InChI key

OVBJJZOQPCKUOR-UHFFFAOYSA-L

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一般描述

乙二胺四乙酸(EDTA)是一种取代二胺[1] 和金属离子螯合剂.[2]具有抗凝血活性[3] 和抗菌活性.[1]EDTA 是金属蛋白酶的抑制剂。[2]可避免铁离子、铜离子和锰离子在漂白过程中产生的不良影响。阻断细胞分裂、叶绿素合成和藻类生物量生产。[1]

应用

二价阳离子的螯合剂。 对需要二价阳离子发挥活性的酶,比如金属蛋白酶具有抑制作用。

象形图

Health hazardExclamation mark

警示用语:

Warning

危险声明

危险分类

Acute Tox. 4 Inhalation - STOT RE 2 Inhalation

靶器官

Respiratory Tract

储存分类代码

11 - Combustible Solids

WGK

WGK 2

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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Accurate Results in the Clinical Laboratory: A Guide to Error Detection and Correction (2013)
Modulation of matrix metalloproteinase activity by EDTA prevents posterior capsular opacification
Hazra S, et al.
Molecular Vision, 18, 1701-1701 (2012)
Matthew R Miller et al.
Journal of biological methods, 2(3), e23-e23 (2015-10-13)
Over the past two decades, researchers have struggled to efficiently express foreign DNA in primary macrophages, impeding research progress. The applications of lipofection, electroporation, microinjection, and viral-mediated transfer typically result in disruptions in macrophage differentiation and function, low expression levels
Meritxell Espino Guarch et al.
eLife, 7 (2018-01-23)
Age-related hearing loss (ARHL) is the most common sensory deficit in the elderly. The disease has a multifactorial etiology with both environmental and genetic factors involved being largely unknown. SLC7A8/SLC3A2 heterodimer is a neutral amino acid exchanger. Here, we demonstrated
EDTA: the chelating agent under environmental scrutiny
Oviedo C and Rodriguez J
Quimica nova, 26(6), 901-905 (2003)

Questions

1–2 of 2 Questions  
  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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