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775061

Sigma-Aldrich

Potassium bis(trimethylsilyl)amide solution

greener alternative

1.0 M in 2-methyltetrahydrofuran

Synonym(s):

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
Beilstein/REAXYS Number:
4006754
MDL number:
MFCD00010330
UNSPSC Code:
12352111
PubChem Substance ID:
329767734
NACRES:
NA.22

vapor density

3.2 (vs air)

Quality Level

100

form

liquid

greener alternative product characteristics

Safer Solvents and Auxiliaries
Use of Renewable Feedstocks
Inherently Safer Chemistry for Accident Prevention
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

concentration

1.0 M in 2-methyltetrahydrofuran

density

0.884 g/mL at 25 °C

greener alternative category

Aligned,

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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General description

We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product, 1.0 M in 2-methyltetrahydrofuran aligns with "Safer Solvents and Auxiliaries", "Use of Renewable Feedstocks" and "Inherently Safer Chemistry for Accident Prevention". Click here for more information.

Application

Strong organic base in greener solvent, 2-methyltetrahydrofuran (2-MeTHF).

2-Methyltetrahydrofuran (2-MeTHF): A Biomass-Derived Solvent with Broad Application in Organic Chemistry

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 - Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1B

supp_hazards

EUH014,EUH019

Storage Class

3 - Flammable liquids

wgk_germany

WGK 3

flash_point_f

12.2 °F

flash_point_c

-11 °C

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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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
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
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
Mario Janjetovic et al.
Chemical communications (Cambridge, England), 49(18), 1826-1828 (2013-01-30)
Sm(HMDS)(2) in n-hexane mediates fast cleavage of primary, secondary and tertiary alkyl fluorides in good to excellent yields. In n-hexane Sm(HMDS)(2) exhibits uniquely enhanced reductive ability towards the C-F bond compared to when using THF as solvent.
Hexamethyldisilazane-mediated controlled polymerization of alpha-amino acid N-carboxyanhydrides.
Hua Lu et al.
Journal of the American Chemical Society, 129(46), 14114-14115 (2007-10-30)
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