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Lithium bis(trimethylsilyl)amide

Lithium bis(trimethylsilyl)amide chemical structure
CAS Number4039-32-1
Formula[(CH3)3Si]2NLi
Mol. Weight167.33 g/mol

What is Lithium bis(trimethylsilyl)amide?

Lithium bis(trimethylsilyl)amide is a chemical compound with CAS number 4039-32-1 and molecular formula [(CH3)3Si]2NLi. It is used in various industrial and research applications.

Applications

Base employed in generating enolates for the preparation of lactone precursors,1 pyranones,2 and cyclohexanes.3
Used to catalyze the addition of phosphine P-H bonds to carbodiimides leading to phosphaguanidines.4 Also used in a novel three-step synthesis of disubstituted 1,2,5-thiadiazoles.5

Specifications

Linear Formula

[(CH3)3Si]2NLi

Molecular Weight

167.33 g/mol

Assay/Purity

97%

Density

0.860 g/mL at 25 °C(lit.)

Safety Information

GHS02GHS02
GHS05GHS05
Signal Word

Danger

Hazard Statements

H228-H314

Precautionary Statements

P210-P280-P305 + P351 + P338-P310

Required PPE

Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges

EC Number

223-725-6

WGK Germany

3

Frequently Asked Questions