Potassium bis(trimethylsilyl)amide

CAS Number40949-94-8
Formula[(CH3)3Si]2NK
Mol. Weight199.48 g/mol
Potassium bis(trimethylsilyl)amide
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
GHS05Signal 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
