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277304

Sigma-Aldrich

Potassium bis(trimethylsilyl)amide solution

0.5 M in toluene

Sinónimos:

Hexamethyldisilazane potassium salt solution, Potassium hexamethyldisilazide solution

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About This Item

Fórmula lineal:
[(CH3)3Si]2NK
Número de CAS:
40949-94-8
Peso molecular:
199.48
Beilstein/REAXYS Number:
4006754
MDL number:
MFCD00010330
UNSPSC Code:
12352111
PubChem Substance ID:
24856751
NACRES:
NA.22

vapor density

3.2 (vs air)

Quality Level

200

vapor pressure

54 mmHg ( 25 °C)

form

liquid

concentration

0.5 M in toluene

color

clear to slightly hazy yellow

density

0.877 g/mL at 25 °C

SMILES string

C[Si](C)(C)N([K])[Si](C)(C)C

InChI

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

InChI key

IUBQJLUDMLPAGT-UHFFFAOYSA-N

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Application

Strong base used in the alkylation carbonyl compounds.

Packaging

The 25 mL Sure/Seal™ bottle is recommended as a single-use bottle. Repeated punctures will likely result in decreased performance of product.

Legal Information

Sure/Seal is a trademark of Sigma-Aldrich Co. LLC

signalword

Danger

Hazard Classifications

Aquatic Chronic 3 - Asp. Tox. 1 - Eye Dam. 1 - Flam. Liq. 2 - Repr. 2 - Skin Corr. 1B - STOT RE 2 Inhalation - STOT SE 3

target_organs

Central nervous system

Storage Class

3 - Flammable liquids

wgk_germany

WGK 3

flash_point_f

44.6 °F - closed cup

flash_point_c

7 °C - closed cup

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Alan C Spivey et al.
Organic letters, 9(5), 891-894 (2007-02-10)
[reaction: see text] The scope and limitations of the conjugate addition of 2- and the first 4-pyridyl Gilman homocuprates to various alpha,beta-unsaturated Michael acceptors are delineated. The conjugate addition of the cuprate of 2-bromo-3-methylpyridine to (E)-methyl crotonate then diastereoselective enolate
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
Tatsuya Nitabaru et al.
Journal of the American Chemical Society, 131(38), 13860-13869 (2009-09-10)
Full details of an anti-selective catalytic asymmetric nitroaldol reaction promoted by a heterobimetallic catalyst comprised of Nd(5)O(O(i)Pr)(13), an amide-based ligand, and NaHMDS (sodium hexamethyldisilazide) are described. A systematic synthesis and evaluation of amide-based ligands led to the identification of optimum
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
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
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