potassium bis(trimethylsilyl)amide cas 40949-94-8
Chemical Name: Potassium bis(trimethylsilyl)amide/ KHMDS
CAS No.: 40949-94-8
Molecular Formula: C6H18KNSi2
Chemical Structure:
Molecular weight: 199.48
Appearance: light yellow to yellow to brown liquid
Assay: 0.90 – 1.10 M
Potassium bis(trimethylsilyl)amidetypical Properties
| Item | Specifications | Results |
| Appearance | light yellow to yellow to brown liquid | Conforms |
| purity | 0.90 – 1.10 M | 10.2M |
| Conclusion | Theresultsconformswithenterprisestandards | |
Potassium bis(trimethylsilyl)amideUsage
Potassium bis(trimethylsilyl)amide (commonly abbreviated as KHMDS, Potassium(K) HexaMethylDiSilazide) is the chemical compound with the formula ((CH3)3Si)2NK. It is a strong, non-nucleophilic base with an approximate pKa of 26 (compare to lithium diisopropylamide, at 36).
1.Non-nucleophilic megasteric strong base.
2.Pharmaceutical intermediates, mainly used in the production of synthetic cephalosporins
Potassium bis(trimethylsilyl)amidePackaging and Shipping
Packing: 1kg/bottle
Delivery: within 7~10 working days
Potassium bis(trimethylsilyl)amideStorage
Avoiding light and drying.
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