Potassium Bis(trimethylsilyl)amide CAS 40949-94-8
Chemical Name: Potassium bis(trimethylsilyl)amide/ KHMDS
CAS No.: 40949-94-8
Molecular Formula: C6H18KNSi2
Molecular weight: 199.48
Appearance: light yellow to yellow to brown liquid
Assay: 0.90 ?C 1.10 M
Description
Potassium bis(trimethylsilyl)amide Quick Details
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 ?C 1.10 M
Typical Properties
Item
Specifications
Results
Appearance
light yellow to yellow to brown liquid
Conforms
purity
0.90 ?C 1.10 M
10.2M
Conclusion
Theresultsconformswithenterprisestandards
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Potassium bis(trimethylsilyl)amide Usage
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
Packaging and Shipping
Packing: 1kg/bottle
Delivery: within 7~10 working days
Potassium bis(trimethylsilyl)amide Storage
Avoiding light and drying.
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