Skip to Content
Merck
CN

277304

Potassium bis(trimethylsilyl)amide solution

0.5 M in toluene

Synonym(s):

Hexamethyldisilazane potassium salt solution, Potassium hexamethyldisilazide solution

Sign In to View Organizational & Contract Pricing.

Select a Size

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:
24856751
MDL number:
MFCD00010330
Beilstein/REAXYS Number:
4006754

Key Documents

View All Documentation
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

Product Name

Potassium bis(trimethylsilyl)amide solution, 0.5 M in toluene

InChI

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

SMILES string

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

InChI key

IUBQJLUDMLPAGT-UHFFFAOYSA-N

vapor density

3.2 (vs air)

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

Quality Level

200

Looking for similar products? Visit Product Comparison Guide

Related Categories

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

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

Regulatory Information

易制毒化学品（3类）
危险化学品
This item has

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
SHBR5628
SHBQ5869
SHBQ0303
SHBP2425
SHBN7871

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

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
A Sebok et al.
Journal of chromatography. A, 1211(1-2), 104-112 (2008-10-14)
This paper presents a derivatization, mass fragmentation study relating to the most common six cholic acids, such as cholic, lithocholic, chenodeoxycholic, ursodeoxycholic, 3-hydroxy,7-ketocholanic and dehydrocholic acids, identified and quantified as pollutants in the aquatic environment at the first time. Derivatizations
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
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)
Marko Marinkovic et al.
Advanced materials (Deerfield Beach, Fla.), 24(29), 4005-4009 (2012-06-26)
A model is presented that describes the gate-voltage-dependent contact resistance and channel-length-dependent charge carrier mobility of small-molecule-based organic thin-film transistors in top and bottom drain/source contact configuration.
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service