324671
Potassium bis(trimethylsilyl)amide
95%
Manufacturer: Sigma Aldrich
CAS Number: 40949-94-8
Synonym(S): Hexamethyldisilazane potassium salt, Potassium hexamethyldisilazide
Select a Size
| Pack Size | SKU | Availability | Price |
|---|---|---|---|
| 5 G | 324671-5-G | In Stock | ₹ 10,110.55 |
| 25 G | 324671-25-G | In Stock | ₹ 23,663.45 |
| 100 G | 324671-100-G | In Stock | ₹ 31,749.73 |
324671 - 5 G
In Stock
Quantity
1
Base Price: ₹ 10,110.55
GST (18%): ₹ 1,819.899
Total Price: ₹ 11,930.449
Quality Level
200
Assay
95%
SMILES string
C[Si](C)(C)N([K])[Si](C)(C)C
InChI
1S/C6H18NSi2.K/c1-8(2,3)7-9(4,5)6;/h1-6H3;/q-1;+1
InChI key
IUBQJLUDMLPAGT-UHFFFAOYSA-N
Other Options
Related Products
Description
- General description: Potassium bis(trimethylsilyl)amide is commonly abbreviated as KHMDS with molecular formula [(CH3)3Si]2NK. It is widely used as Bronsted base in synthesis.[1][1][1]KHMDS is a base catalyst, that shows high activity and selectivity for the alkylation of alkylpyridines.[2]
- Application: Anionic initiator used in the preparation of poly(ethylene oxide).[3] Sterically hindered base employed in selective cyclization reactions.[4] Also used in the preparation of lanthanide complexes.[5][6]
- Features and Benefits: Potassium bis(trimethylsilyl)amide (KHMDS):Easily available.Good selectivity for the benzylic C−H bonds.Good reactivity for sterically crowded C−H bonds.
SAFETY INFORMATION
Pictograms
Signal Word
Danger
Hazard Statements
Precautionary Statements
P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P363
Hazard Classifications
Eye Dam. 1 - Skin Corr. 1B
Supplementary Hazards
EUH014
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves