Lithium bis(trimethylsilyl)amide, Thermo Scientific Chemicals

Description

Base used in preparation of dienes and enolates

Lithium bis(trimethylsilyl)amide is a base used in preparation of dienes and enolates. It is used to catalyze the addition of phosphine P-H bonds to carbodiimides leading to phosphaguanidines. Lithium bis(trimethylsilyl)amide is also used in a novel three-step synthesis of disubstituted 1,2,5-thiadiazoles.

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

• Packaged under Argon

Specifications

Chemical Identifiers

• CAS: 4039-32-1
• Molecular Formula: C6H18LiNSi2
• Molecular Weight (g/mol): 167.327
• MDL Number: MFCD00008261
• InChI Key: YNESATAKKCNGOF-UHFFFAOYSA-N
• Synonym: lithium bis trimethylsilyl amide, lithium hexamethyldisilazide, lihmds, lhmds, hexamethyldisilazane lithium salt, unii-rc4n1i108m, lithiumbis trimethylsilyl amide, lithium bis trimethylsilyl azanide, lithium hexamethyldisilazane, lithium bis-trimethylsilyl amide
• PubChem CID: 2733832
• IUPAC Name: lithium;bis(trimethylsilyl)azanide
• SMILES: [Li+].C[Si](C)(C)[N-][Si](C)(C)C

• Melting Point: 83°C to 86°C
• Color: White
• Linear Formula: [(CH₃)₃Si]₂NLi
• Quantity: 25 g
• UN Number: UN2925
• Beilstein: 8136861
• Sensitivity: Air and moisture sensitive
• Solubility Information: Reacts with water.
• Formula Weight: 167.33
• Physical Form: Powder
• Chemical Name or Material: Lithium bis (trimethylsilyl)amide

Safety and Handling

Hazard Category	H228-H314
Hazard Statement	GHS H Statement H228-H314-H318 Flammable solid. Causes severe skin burns and eye damage. Causes serious eye damage.
Precautionary Statement	P210-P240-P241-P260-P264b-P280-P301+P330+P331-P303+P361+P353-P304+P340-P305+P351+P338-P310-P363-P370+P378q-P501c
DOTInformation	Transport Hazard Class: 4.1; Packing Group: II; Proper Shipping Name: FLAMMABLE SOLIDS, CORROSIVE, ORGANIC, N.O.S.
EINECSNumber	223-725-6
TSCA	Yes
storageNote1	Packaged under Argon
Recommended Storage	Ambient temperatures; Store under Nitrogen

SDS

RUO – Research Use Only