1. Basic Info

2. Physical & Chemical Properties

Physical Properties

1. Appearance: White to off-white crystalline powder
2. Odor: Strong ethanol irritating odor
3. Solubility: Soluble in anhydrous ethanol, THF, toluene; violently reacts with water, methanol, isopropanol
4. Density (25℃): 0.89 g/cm3
5. Melting Point: Decomposes before melting
6. Flash Point: Flammable solid, low flash point
7. Hygroscopy: Extremely sensitive to water and air, fumes and deteriorate rapidly under humid air
8. Storage requirement: Must be filled with nitrogen for sealed low-temperature storage
9. Particle feature: Fine crystal powder, easy to agglomerate when exposed to moisture

Chemical Properties

1. Strong alkaline metal alkoxide, stronger alkalinity than sodium ethoxide
2. Hydrolysis reaction: Rapid exothermic reaction with water to generate lithium hydroxide and ethanol
3. Nucleophilic deprotonation: Deprotonates active hydrogen compounds (ketones, esters, nitriles) to form lithium enolate intermediates
4. Transesterification reaction: Participates in ester exchange, lactone ring-opening polymerization
5. Thermal stability: Stable under anhydrous sealed conditions below 60℃; above 100℃ gradually decomposes to lithium oxide and ethane fragments
6. Acid-base reaction: Neutralizes with all acids to form lithium salts and ethanol
7. Photostability: Avoid long-term light irradiation; light accelerates oxidation and impurity generation
8. Compatibility: Compatible with anhydrous ether, aromatic hydrocarbon solvents; incompatible with water, protic solvents, acids, oxidants, air moisture

3. Main Application Fields

1. Organic synthesis strong base reagent (Core Application)

   High-selective lithium base for enolate preparation, widely used in asymmetric condensation, Claisen condensation, Michael addition reaction; key raw material for pharmaceutical chiral intermediates.
2. Lithium battery material precursor

   Synthesize lithium organic salts, lithium complex additives for lithium-ion battery electrolyte; improve ionic conductivity and cycle stability of electrolyte.
3. Catalyst for polymer synthesis

   Ring-opening polymerization catalyst for polylactide, polycaprolactone; catalyst for silicone resin crosslinking modification.
4. Fine chemical pharmaceutical intermediate

   Special lithium reagent for the synthesis of anti-cancer, anti-diabetic, central nervous system APIs; realizes high stereoselective synthesis of chiral drugs.
5. Laboratory organolithium research reagent

   Standard alkoxide base for organic methodology research, metal complex ligand synthesis.
6. Ceramic & coating additive

   Raw material for lithium sol coating; prepare lithium-containing ceramic thin film by sol-gel method.

4. Quality Specification Table