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Lithium bis(trimethylsilyl)amide
324620 -
97%
DOWNLOAD MSDS (PDF)Synonym: Hexamethyldisilazane lithium salt
CAS Number: 4039-32-1
Linear Formula: [(CH3)3Si]2NLi
Molecular Weight: 167.33
EC Number: 223-725-6
MDL number: MFCD00008261
PubChem Substance ID: 24859455
Properties
| Related Categories | Chemical Synthesis, Organic Bases, Synthetic Reagents |
| assay | 97% |
| density | 0.860 g/mL at 25 °C(lit.) |
Description
Packaging
10, 50, 250 g in glass btl
Application
Base employed in generating enolates for the preparation of lactone precursors,1 pyranones,2 and cyclohexanes.3
Used 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
Price and Availability
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Safety Information
| Symbol |   GHS02, GHS05 |
| Signal word | Danger |
| Hazard statements | H228-H314 |
| Precautionary statements | P210-P280-P305 + P351 + P338-P310 |
| Supplemental Hazard Statements | Reacts violently with water. |
| 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 |
| Hazard Codes | F,C |
| Risk Statements | 11-14-34 |
| Safety Statements | 16-26-36/37/39-45 |
| RIDADR | UN 2925 4.1/PG 2 |
| WGK Germany | 3 |
Technical information & documentation associated with this product is available in the Safety & Documentation tab.
Articles
Acids and Bases
Acids and bases have been used by chemists for centuries, and are among the most fundamental reagents employed in synthetic organic chemistry. This Aldrich product line ranges from Brønsted and Lewis...
Chemfiles Volume 1 Article 3
Keywords: PAGE
References
1. J. Org. Chem. 58, 7304, (1993)
2. Synlett, 507, (1993)
3. Tetrahedron 50, 9061, (1994)
4. Chem. Commun. (Camb.), 3812, (2006) Abstract
5. Tetrahedron Lett. 47, 8285, (2006)
Fieser 4,296 / Fieser 5,393 / Fieser 7,197 / Fieser 12,280 / Fieser 14,194
Corp MSDS 1 (1), 2150:D / FT-IR 2 (3), 4405:A / RegBook 1 (2), 2987:G / Sax 6, 1713 / Structure Index 1, 473:E:3
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