Ethyllithium
- CAS NO.：811-49-4
- Empirical Formula: C2H5Li
- Molecular Weight: 36
- MDL number: MFCD00053747
- EINECS: 212-370-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-05-04 17:34:42
What is Ethyllithium?
Chemical properties
Ethyllithium, chemical formula C2H5Li. It is a colorless flaky crystal or colorless to yellowish solution. Melting point 95 ℃ (nitrogen atmosphere). Upon sublimation, the vapor consists of hexameric and tetrameric molecules. Soluble in pentane, hexane or heptane, soluble in benzene, and hexamer in solution. Decomposes with water. When heated, it is decomposed into ethylene, lithium hydride and a small amount of butane and butene. The commercial reagent is 1 mol/L benzene solution.
The Uses of Ethyllithium
Ethyllithium is a general organolithium reagent used in the nucleophilic addition reaction to synthesize a variety of intermediates.
The Uses of Ethyllithium
Grignard-type reactions.
Preparation
Ethyllithium can be synthesized by reacting bromoethane with metallic lithium in pentane.
Definition
ChEBI: Ethyllithium is an alkyllithium compound.
Hazard
Ignites in air, reacts with oxidizing materials.
Precautions
Ethyllithium solids are highly flammable when exposed to air. The solution is flammable and corrosive, and reacts violently with water. Stored at low temperature for one week, half of the reagents were converted to ethane, ethylene, and acetaldehyde.
Properties of Ethyllithium
| Melting point: | 95℃ |
| Density | 0.862 g/mL at 25 °C |
| Flash point: | −17 °F |
| storage temp. | 2-8°C |
| BRN | 3587196 |
Safety information for Ethyllithium
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Exclamation Mark Irritant GHS07  Health Hazard GHS08  Environment GHS09 |
| GHS Hazard Statements |
H225:Flammable liquids H261:Substances And Mixtures Which, In Contact With Water,Emit Flammable Gases H304:Aspiration hazard H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H340:Germ cell mutagenicity H350:Carcinogenicity H372:Specific target organ toxicity, repeated exposure H411:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P201:Obtain special instructions before use. P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P273:Avoid release to the environment. P231+P232:Handle under inert gas. Protect from moisture. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P422:Store contents under … |
Computed Descriptors for Ethyllithium
Ethyllithium manufacturer
JSK Chemicals
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