702722

Sigma-Aldrich

Potassium bis(trimethylsilyl)amide solution

1 M in THF

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

Quality Level

vapor density

3.2 (vs air)

concentration

1 M in THF

density

0.915 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

Application

Potassium bis(trimethylsilyl)amide solution (1 M in THF) has been used as an anionic initiator in the polymerization of polyethylene oxide(PEO).

Packaging

4×25, 100, 500 mL 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.

Legal Information

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

Signal Word

Danger

Target Organs

Respiratory system

Supp Hazards

EUH018 - EUH019

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

RIDADR

UN 2924 8(3) / PGII

WGK Germany

WGK 3

Flash Point(F)

-2.0 °F

Flash Point(C)

-18.9 °C

Certificate of Analysis

Certificate of Origin

Highly stable multi-anchored magnetic nanoparticles for optical imaging within biofilms
Stone R C
Journal of Colloid and Interface Science, 459, 175-182 (2015)
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...
Daniele Fabbri et al.
Environmental science & technology, 42(8), 2957-2963 (2008-05-24)
Using the pyrolysis-gas chromatography-mass spectrometry and off-line pyrolysis/silylation methods for lignites from three Miocene brown coal basins of Poland resulted in the characterization of many organic compounds, including dominant cellulose degradation products such as levoglucosan, 1,6-anhydro-beta-D-glucofuranose, and 1,4:3,6-dianhydroglucopyranose. Levoglucosan is...

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