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CAS RN 40949-94-8

H3CSiCH3H3CNSiCH3CH3H3CK

CAS RN 40949-94-8

IUPAC Name: potassium bis(trimethylsilyl)azanide
Synonyms: potassium bis(trimethylsilyl)amide
Molecular Weight (g/mol): 199.49
Molecular Formula: C6H18KNSi2
InChi Key: IUBQJLUDMLPAGT-UHFFFAOYSA-N
SMILES: [K+].C[Si](C)(C)[N-][Si](C)(C)C
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1

Potassium bis(trimethylsilyl)amide, 0.7M (15 wt.%) solution in toluene, AcroSeal™

CAS: 40949-94-8 | C6H18KNSi2 | 199.485 g/mol

Linear Formula [(CH3)3Si]2NK
Molecular Weight (g/mol) 199.485
Color Yellow
Physical Form Liquid
Chemical Name or Material Potassium bis(trimethylsilyl)amide
SMILES C[Si](C)(C)[N-][Si](C)(C)C.[K+]
Concentration 0.6 to 0.8M (Total base)
InChI Key IUBQJLUDMLPAGT-UHFFFAOYSA-N
Density 0.8760g/mL
PubChem CID 3251421
Name Note 0.5M solution in toluene
Percent Purity 0.6 to 0.8 M (Total base)
CAS 108-88-3
Health Hazard 3 GHS P Statement IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. Obtain special instructions before use. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER or doctor/physician. Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Avoid release to the environment.
MDL Number MFCD00010330
Health Hazard 2 GHS P Statement Causes severe skin burns and eye damage. May be fatal if swallowed and enters airways. May cause drowsiness or dizziness. May cause damage to organs through prolonged or repeated exposure. Suspected of damaging the unborn child. Highly flammable liquid and vapor. Suspected of causing cancer. Suspected of causing genetic defects if inhaled. Harmful to aquatic life with long lasting effects.
Health Hazard 1 Danger
Synonym potassium bis trimethylsilyl amide,khmds,potassium hexamethyldisilazide,hexamethyldisilazane potassium salt,potassium bis trimethylsilyl azanide,potassium bis trimethylsilyl amide 1m sol. in thf,potassiumbis trimethylsilyl amide,hexamethyldislazane potassium salt,1,1,1,3,3,3-hexamethyldisilazane potassium salt,potassium bis-trimethylsilylamide
IUPAC Name potassium;bis(trimethylsilyl)azanide
Molecular Formula C6H18KNSi2
Formula Weight 199.49
2

Sigma Aldrich Potassium Bis(Trimethylsilyl)Amide

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

ENCOMPASS
Linear Formula [(CH3)3Si]2NK
CAS 40949-94-8
Molecular Weight (g/mol) 199.48 g/mol
MDL Number MFCD00010330
Health Hazard 1 UN 3263 8 / PGIII
Synonym Hexamethyldisilazane potassium salt; Potassium hexamethyldisilazide
Recommended Storage Room Temperature
Molecular Formula C6H18KNSi2
3

Sigma Aldrich Potassium Bis(Trimethylsilyl)Amide Solution

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

ENCOMPASS
Linear Formula [(CH3)3Si]2NK
CAS 40949-94-8
Biological Activity Respiratory System
Molecular Weight (g/mol) 199.48 g/mol
MDL Number MFCD00010330
Health Hazard 1 UN 2924 8(3) / PGII
Synonym KHMDS; Hexamethyldisilazane potassium salt solution; Potassium hexamethyldisilazide solution
Recommended Storage Room Temperature
Molecular Formula C6H18KNSi2
Density 0.915 g/mL at 25°C
4

Sigma Aldrich Potassium Bis(Trimethylsilyl)Amide Solution

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

ENCOMPASS
Linear Formula [(CH3)3Si]2NK
CAS 40949-94-8
Biological Activity Central Nervous System
Molecular Weight (g/mol) 199.48 g/mol
MDL Number MFCD00010330
Health Hazard 1 UN 2924 8(3) / PGII
Synonym Hexamethyldisilazane potassium salt solution; Potassium hexamethyldisilazide solution
Recommended Storage Room Temperature
Molecular Formula C6H18KNSi2
Density 0.877 g/mL at 25°C
5

Sigma Aldrich Grubbs Catalyst™ M101

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

ENCOMPASS
6

Sigma Aldrich Potassium Bis(Trimethylsilyl)Amide Solution

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

ENCOMPASS
Synonym Hexamethyldisilazane potassium salt solution; Potassium hexamethyldisilazide solution