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Merck
CN

702722

Potassium bis(trimethylsilyl)amide solution

1 M in THF

Synonym(s):

KHMDS, Hexamethyldisilazane potassium salt solution, Potassium hexamethyldisilazide solution

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About This Item

Linear Formula:
[(CH3)3Si]2NK
CAS Number:
40949-94-8
Molecular Weight:
199.48
UNSPSC Code:
12352111
NACRES:
NA.22
PubChem Substance ID:
329762398
MDL number:
MFCD00010330
Beilstein/REAXYS Number:
4006754
Concentration:
1 M in THF
Form:
liquid

Key Documents

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InChI key

IUBQJLUDMLPAGT-UHFFFAOYSA-N

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

vapor density

3.2 (vs air)

form

liquid

concentration

1 M in THF

density

0.915 g/mL at 25 °C

Quality Level

200

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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

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

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Danger

Hazard Classifications

Acute Tox. 4 Oral - Carc. 2 - Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1B - STOT SE 3

target_organs

Central nervous system, Respiratory system

supp_hazards

EUH019

Storage Class

3 - Flammable liquids

wgk

WGK 3

flash_point_f

-2.0 °F

flash_point_c

-18.9 °C

ppe

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

Regulatory Information

危险化学品
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Certificates of Analysis (COA)

Lot/Batch Number
SHBS5854
SHBS5852
SHBS2512
SHBR8352
SHBR4415

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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
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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