Potassium bis(trimethylsilyl)amide, 0.7M solution in toluene, +99.4%, Thermo Scientific Chemicals

Product Code	Brand	Quantity	Packaging
10742623	Thermo Scientific Acros 418231000	100 mL	AcroSeal™ Glass bottle
10642813	Thermo Scientific Acros 418238000	800 mL	AcroSeal™ Glass Bottle

Description

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Specifications

• Chemical Name or Material: Potassium bis(trimethylsilyl)amide
• Name Note: 0.5M solution in toluene
• Molecular Formula: C6H18KNSi2
• MDL Number: MFCD00010330
• Density: 0.8760g/mL
• InChI Key: IUBQJLUDMLPAGT-UHFFFAOYSA-N
• IUPAC Name: potassium;bis(trimethylsilyl)azanide
• PubChem CID: 3251421
• Percent Purity: 0.6 to 0.8 M (Total base)

• Color: Yellow
• CAS: 40949-94-8, 108-88-3
• Linear Formula: [(CH₃)₃Si]₂NK
• Concentration: 0.6 to 0.8M (Total base)
• 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
• SMILES: C[Si](C)(C)[N-][Si](C)(C)C.[K+]
• Molecular Weight (g/mol): 199.485
• Formula Weight: 199.49
• Physical Form: Liquid

Safety and Handling

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.

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.

Danger

Product Identifier

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

Signal Word

• Danger

Hazard Category

• LONG-TERM AQUATIC HAZARD Chronic 3
• Aspiration toxicity Category 1
• Carcinogenicity Category 1B
• Serious eye damage/eye irritation Category 1
• Flammable liquid Category 2
• Germ cell mutagenicity Category 2
• Reproductive toxicity Category 2
• Skin corrosion/irritation Category 1 A
• Specific target organ toxicity after repeated exposure Category 2
• Specific target organ toxicity Category 3

Hazard Statement

• H304-May be fatal if swallowed and enters airways.
• H318-Causes serious eye damage.
• H314-Causes severe skin burns and eye damage.
• H350-May cause cancer.
• H341-Suspected of causing genetic defects.
• H361d-Suspected of damaging the unborn child.
• H373-May cause damage to organs.
• H336-May cause drowsiness or dizziness.
• H412-Harmful to aquatic life with long lasting effects.
• H225-Highly flammable liquid and vapour.

Precautionary Statement

• P201-Obtain special instructions before use.
• P210-Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
• P273-Avoid release to the environment.
• P301+P330+P331-IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
• P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
• P310-Immediately call a POISON CENTER/doctor/.

RUO – Research Use Only