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Potassium bis(trimethylsilyl)amide

Potassium bis(trimethylsilyl)amide chemical structure
CAS Number40949-94-8
Formula[(CH3)3Si]2NK
Mol. Weight199.48 g/mol

What is Potassium bis(trimethylsilyl)amide?

Potassium bis(trimethylsilyl)amide is a chemical compound with CAS number 40949-94-8 and molecular formula [(CH3)3Si]2NK. It is used in various industrial and research applications.

Applications

Anionic initiator used in the preparation of poly(ethylene oxide).1 Sterically hindered base employed in selective cyclization reactions.2 Also used in the preparation of lanthanide complexes.3,4

Specifications

Linear Formula

[(CH3)3Si]2NK

Molecular Weight

199.48 g/mol

Assay/Purity

95%

Density

0.915 g/mL at 25 °C

Safety Information

GHS05GHS05
Signal Word

Danger

Hazard Statements

H314

Precautionary Statements

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

WGK Germany

3

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