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775053

Lithium bis(trimethylsilyl)amide solution

greener alternative

0.5 M in 2-methyltetrahydrofuran

Synonym(s):

Hexamethyldisilazane lithium salt

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About This Item

Linear Formula:
[(CH3)3Si]2NLi
CAS Number:
4039-32-1
Molecular Weight:
167.33
UNSPSC Code:
12352111
NACRES:
NA.22
PubChem Substance ID:
329767733
MDL number:
MFCD00008261
Beilstein/REAXYS Number:
3567910

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Product Name

Lithium bis(trimethylsilyl)amide solution, 0.5 M in 2-methyltetrahydrofuran

SMILES string

[Li]N([Si](C)(C)C)[Si](C)(C)C

InChI key

YNESATAKKCNGOF-UHFFFAOYSA-N

InChI

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

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

0.5 M in 2-methyltetrahydrofuran

density

0.857 g/mL at 25 °C

greener alternative category

Aligned,

Quality Level

100

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1 of 4

This Item
577014225770577928
Lithium bis(trimethylsilyl)amide solution 0.5 M in 2-methyltetrahydrofuran

Sigma-Aldrich

775053

Lithium bis(trimethylsilyl)amide solution

Lithium bis(trimethylsilyl)amide solution 1 M in tert-butyl methyl ether

Sigma-Aldrich

577014

Lithium bis(trimethylsilyl)amide solution

Lithium bis(trimethylsilyl)amide solution 1.0 M in THF

Sigma-Aldrich

225770

Lithium bis(trimethylsilyl)amide solution

Lithium bis(trimethylsilyl)amide solution 1 M in toluene

Sigma-Aldrich

577928

Lithium bis(trimethylsilyl)amide solution

Quality Level

100

Quality Level

100

Quality Level

200

Quality Level

200

concentration

0.5 M in 2-methyltetrahydrofuran

concentration

1 M in tert-butyl methyl ether

concentration

1.0 M in THF

concentration

1 M in toluene

density

0.857 g/mL at 25 °C

density

-

density

0.891 g/mL at 25 °C

density

0.860 g/mL at 25 °C

form

liquid

form

-

form

liquid

form

-

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.

greener alternative product characteristics

-

greener alternative product characteristics

-

greener alternative product characteristics

-

sustainability

Greener Alternative Product

sustainability

-

sustainability

-

sustainability

-

Application

Significantly accelerated the polymerization of phenylacetylene in conjunction with rhodium(I) catalysis.[1]
Strong organic base in greener solvent, 2-methyltetrahydrofuran (2-MeTHF).

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

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, 0.5 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.

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 - Self-heat. 1 - Skin Corr. 1B

supp_hazards

EUH014,EUH019

Storage Class

4.2 - Pyrophoric and self-heating hazardous materials

wgk

WGK 2

flash_point_f

8.6 °F

flash_point_c

-13 °C

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Certificates of Analysis (COA)

Lot/Batch Number
SHBK2144
SHBK3897
SHBK1419
SHBH8486
SHBD5383V

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Macromolecules, 39, 5347-5347 (2006)
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)
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
Jerry Isaacson et al.
Angewandte Chemie (International ed. in English), 48(10), 1845-1848 (2009-01-29)
(-)-Dysibetaine has been synthesized in 11 steps from readily available L-malic acid (see scheme). The key step is a unique Ugi 4-center-3-component cyclization reaction, where an ester group acts as the carboxylic acid component. The use of 1,1,1,3,3,3-hexamethyldisilazane as an
View All Related Papers

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