Lithium bis(trimethylsilyl)amide

• Catalog No.: 324620
• CAS Number: 4039-32-1
• M. F.: C6H18LiNSi2
• M. W.: 167.32582
• Purity: 97%

SYNONYMS

• Title: 双三甲基硅基胺基锂
• IUPAC name: lithiobis(trimethylsilyl)amine
• IUPAC Traditional name: lithiobis(trimethylsilyl)amine
• Synonyms: Hexamethyldisilazane lithium salt; 六甲基二硅氮烷 锂盐

DATABASE IDS

• EC Number: 223-725-6
• MDL Number: MFCD00008261
• CAS Number: 4039-32-1
• PubChem SID: 24859455

PROPERTIES

• Personal Protective Equipment: Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
• GHS Precautionary statements: P210-P280-P305 + P351 + P338-P310
• RID/ADR: UN 2925 4.1/PG 2
• Risk Statements: 11-14-34
• Safety Statements: 16-26-36/37/39-43-45
• Supplemental Hazard Statements: Reacts violently with water.
• Hazard Class: 4.1
• UN Number: 2925
• Packing Group: 2
• German water hazard class: 3
• GHS Signal Word: Danger
• GHS Hazard statements: H228-H314
• European Hazard Symbols: Flammable (F)
• European Hazard Symbols: Corrosive (C)
• Linear Formula: [(CH3)3Si]2NLi
• Purity: 97%
• Density: 0.860 g/mL at 25 °C(lit.)

DETAILS

Description (English)

Packaging
10, 50, 250 g in glass bottle
Application
Base employed in generating enolates for the preparation of lactone precursors,1 pyranones,2 and cyclohexanes.3Used to catalyze the addition of phosphine P-H bonds to carbodiimides leading to phosphaguanidines.4 Also used in a novel three-step synthesis of disubstituted 1,2,5-thiadiazoles.5

Description (简体中文)

包装
10, 50, 250 g in glass bottle
Application
生成烯醇盐类化合物（用于制备内酯前体、1 吡喃酮类化合物2 和环己烷类化合物）的碱。3 用于催化膦的 P-H 键加成到碳二亚胺上生成磷杂胍的反应。4还用于二取代 1,2,5-噻二唑的新型三步法合成。5