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766917

Sigma-Aldrich

双(三甲基硅基)氨基锂 溶液

1.5 M in THF

别名:

六甲基二硅氮烷 锂盐

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About This Item

线性分子式:
[(CH3)3Si]2NLi
CAS号:
4039-32-1
分子量:
167.33
Beilstein:
3567910
MDL號碼:
MFCD00008261
分類程式碼代碼:
12352111
PubChem物質ID:
329767270
NACRES:
NA.22

形狀

liquid

濃度

1.5 M in THF

密度

0.893 g/mL at 25 °C

SMILES 字串

[Li]N([Si](C)(C)C)[Si](C)(C)C

InChI

1S/C6H18NSi2.Li/c1-8(2,3)7-9(4,5)6;/h1-6H3;/q-1;+1

InChI 密鑰

YNESATAKKCNGOF-UHFFFAOYSA-N

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相关类别

一般說明

Lithium bis(trimethylsilyl)amide is commonly used in organic synthesis as a non-nucleophilic strong Bronsted base. It is soluble in most nonpolar solvents such as aromatic hydrocarbons, hexanes, and THF.

應用

Lithium bis(trimethylsilyl)amide can be used as a reagent:     
  • In the deprotonation and nucleophilic difluoromethylation reactions.
  • 3-methoxy substituted dihydropyrrole derivatives by reacting with aldehydes and lithiated methoxyallene via in situ formations of N-trimethylsilylated imines.  
  • In Darzens condensation and directed aldol condensation reactions.      
  • To synthesize poly(N-octyl-p-benzamide)s by chain-growth polycondensation of 4-octylaminobenzoic acid methyl ester.

訊號詞

Danger

危險分類

Carc. 2 - Eye Dam. 1 - Flam. Liq. 2 - Self-heat. 1 - Skin Corr. 1B - STOT SE 3

標靶器官

Central nervous system, Respiratory system

安全危害

EUH014,EUH019

儲存類別代碼

4.2 - Pyrophoric and self-heating hazardous materials

水污染物質分類（WGK）

WGK 2

閃點（°F）

31.3 °F - closed cup

閃點（°C）

-0.4 °C - closed cup

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Nur Hazlin Hazrin-Chong et al.
Journal of microbiological methods, 90(2), 96-99 (2012-05-09)
The use of hexamethyldisilazane (HMDS) as a drying agent was investigated in the specimen preparation for scanning electron microscopy (SEM) imaging of bacterial surface colonization on sub-bituminous coal. The ability of microbes to biofragment, ferment and generate methane from coal
Elsa Vennat et al.
Dental materials : official publication of the Academy of Dental Materials, 25(6), 729-735 (2009-01-29)
The objectives of this study were to assess demineralized dentin porosity and quantify the different porous features distribution within the material using mercury intrusion porosimetry (MIP) technique. We compared hexamethyldisilazane (HMDS) drying and lyophilization (LYO) (freeze-drying) in sample preparation. Fifty-six
Nan Li et al.
Lab on a chip, 8(12), 2105-2112 (2008-11-22)
High-density live cell array serves as a valuable tool for the development of high-throughput immunophenotyping systems and cell-based biosensors. In this paper, we have, for the first time, demonstrated a simple fabrication process to form the hexamethyldisilazane (HMDS) and poly(ethylene
Xiaoguang Li et al.
Chemical communications (Cambridge, England), 47(38), 10761-10763 (2011-08-30)
A silica microsphere suspension and a silica sol are employed in a two-step dipping process for the preparation of a superhydrophobic surface. It's not only a facile way to achieve the lotus effect, but can also create a multi-functional surface
Juliana Tsz Yan Lee et al.
Scanning, 34(1), 12-25 (2012-04-26)
Common dehydration methods of cells on biomaterials for scanning electron microscopy (SEM) include air drying, hexamethyldisilazane (HMDS) or tetramethysilane (TMS) treatment and critical point drying (CPD). On the other side, freeze-drying has been widely employed in dehydrating biological samples and
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