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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