277304

Sigma-Aldrich

Potassium bis(trimethylsilyl)amide solution

0.5 M in toluene

Synonym(s):
Potassium hexamethyldisilazide solution, Hexamethyldisilazane potassium salt solution
Linear Formula:
[(CH3)3Si]2NK
CAS Number:
Molecular Weight:
199.48
Beilstein/REAXYS Number:
4006754
MDL number:
PubChem Substance ID:
NACRES:
NA.22

vapor density

3.2 (vs air)

Quality Level

vapor pressure

54 mmHg ( 25 °C)

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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Related Categories

Packaging

4×25, 100, 800 mL in Sure/Seal™
2 L in Sure/Seal™
The 25 mL Sure/Seal bottle is recommended as a single-use bottle. Repeated punctures will likely result in decreased performance of product.

Application

Strong base used in the alkylation carbonyl compounds.

Legal Information

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

Signal Word

Danger

Target Organs

Central nervous system

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

RIDADR

UN 2924 8(3) / PGII

WGK Germany

WGK 3

Flash Point(F)

44.6 °F - closed cup

Flash Point(C)

7 °C - closed cup

Certificate of Analysis

Certificate of Origin

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...
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...
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...
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...
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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