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Merck
CN

E27408

Sigma-Aldrich

1,2-二甲氧基乙烷

ReagentPlus®, ≥99%, inhibitor-free

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别名:
1,2-二甲氧基乙烷, mono-Glyme, 乙二醇二甲醚, 单甘醇二甲醚
线性分子式:
CH3OCH2CH2OCH3
CAS号:
分子量:
90.12
Beilstein:
1209237
EC 号:
MDL编号:
UNSPSC代码:
12352112
PubChem化学物质编号:
NACRES:
NA.21

蒸汽密度

3.1 (20 °C, vs air)

质量水平

蒸汽压

48 mmHg ( 20 °C)

产品线

ReagentPlus®

检测方案

≥99%

形式

liquid

自燃温度

396 °F

expl. lim.

10.4 %

杂质

≤0.5% (water)

折射率

n20/D 1.379 (lit.)

pH值(酸碱度)

7

bp

85 °C (lit.)

mp

−58 °C (lit.)

密度

0.867 g/mL at 25 °C (lit.)

SMILES字符串

COCCOC

InChI

1S/C4H10O2/c1-5-3-4-6-2/h3-4H2,1-2H3

InChI key

XTHFKEDIFFGKHM-UHFFFAOYSA-N

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一般描述

1,2-二甲氧基乙烷(DME)是一种惰性非质子极性溶剂,用于锂电池、聚有机硅、低聚物和多糖的电解质。

应用

1,2-二甲氧基乙烷可作为溶剂合成:
  • 恶唑,通过 Robinson-Gabriel 反应从α-酰基胺酮中得到。
  • 5-芳基组氨酸,通过 5-溴组氨酸和芳基硼酸之间的 Suzuki-Miyaura 交联。
  • 芳基硫醚,通过 Pd-催化芳基卤化物与脂肪和芳香硫醇的硫醚化反应。

法律信息

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

警示用语:

Danger

危险分类

Acute Tox. 4 Inhalation - Flam. Liq. 2 - Repr. 1B - Skin Irrit. 2

补充剂危害

WGK

WGK 1

闪点(°F)

closed cup

闪点(°C)

closed cup

法规信息

危险化学品

分析证书(COA)

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Tetrahedron Letters, 34, 4591-4591 (1993)
Organometallics, 13, 1498-1498 (1994)
Shaokun Tang et al.
Bioresource technology, 129, 667-671 (2013-01-10)
Glymes (i.e. glycol diethers) were explored as alternative benign solvents for enzymatic reactions, specifically the lipase-catalyzed transesterification. Long-chain glymes were found highly compatible with immobilized Candida antarctica lipase B (iCALB), leading to higher enzyme activities and stabilities than t-butanol and
Andrew Martins et al.
Organic letters, 12(22), 5186-5188 (2010-10-19)
A palladium-catalyzed crossed biaryl coupling/reduction sequence enables the formation of meta-substituted biaryls via solvent-mediated arylpalladium(II) reduction. Isotope labeling studies determined that the decomposition of 1,2-dimethoxyethane (DME) is indeed involved in the reductive process.
Peter A Campochiaro et al.
Ophthalmology, 122(3), 545-554 (2014-12-03)
AKB-9778 is a small-molecule competitive inhibitor of vascular endothelial-protein tyrosine phosphatase (VE-PTP) that promotes Tie2 activation and reduces vascular leakage and neovascularization in mouse models. The purpose of this study was to test the safety, tolerability, pharmacokinetics, and biological activity

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