324620

Lithium bis(trimethylsilyl)amide

97%

• 동의어(들): Hexamethyldisilazane lithium salt
• Linear Formula: [(CH₃)₃Si]₂NLi
• CAS Number: 4039-32-1
• Molecular Weight: 167.33
• EC Number: 223-725-6
• MDL number: MFCD00008261
• UNSPSC 코드: 12352111
• PubChem Substance ID: 24859455
• NACRES: NA.22

속성

• Quality Level: 200
• 분석: 97%
• 형태: solid
• density: 0.860 g/mL at 25 °C (lit.)
• SMILES string: [Li]N([Si](C)(C)C)[Si](C)(C)C
• InChI: 1S/C6H18NSi2.Li/c1-8(2,3)7-9(4,5)6;/h1-6H3;/q-1;+1
• InChI key: YNESATAKKCNGOF-UHFFFAOYSA-N

설명

일반 설명

Lithium bis(trimethylsilyl)amide is a non-nucleophilic strong Brønsted base, which is generally soluble in most of the nonpolar organic solvents. It is most commonly employed in organic reactions.

애플리케이션

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

안전성 정보

• 픽토그램: GHS02,GHS05
• 신호어: Danger
• 유해 및 위험 성명서: H228,H251,H314
• 예방조치 성명서: P210 - P235 - P260 - P280 - P303 + P361 + P353 - P305 + P351 + P338
• Hazard Classifications: Eye Dam. 1 - Flam. Sol. 1 - Self-heat. 1 - Skin Corr. 1B
• 보충제 위험성: EUH014
• Storage Class Code: 4.2 - Pyrophoric and self-heating hazardous materials
• WGK: WGK 2
• Flash Point (°F): 62.6 °F - closed cup
• Flash Point (°C): 17 °C - closed cup
• 개인 보호 장비: Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges