Magnesium diethyl
- CAS NO.：557-18-6
- Empirical Formula: C4H10Mg
- Molecular Weight: 82.43
- MDL number: MFCD00015099
- EINECS: 209-159-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-09-12 18:55:12
What is Magnesium diethyl?
Chemical properties
Magnesium Diethyl is colorless liquid; forms solvated crystalsfrom ether, (C2H5)2Mg·(C2H5)2O; loses itsether of crystallization when heated undervacuum; freezes at 0°C (32°F); decomposesat 250°C (482°F) under high vacuum; solublein ether.
The Uses of Magnesium diethyl
Diethylmagnesium is used as intermediate inorganic synthesis.
Health Hazard
Skin contact can cause severe burns.
Fire Hazard
Diethylmagnesium catches fire spontaneously in air. It is susceptible to glow and can catch fire in other gases, as well, that contain oxygen atoms in the molecules, such as N2O and even CO2. It explodes with water. The ether solution of the compound is also susceptible to ignition, upon contact with water (Bretherick 1995). It reacts violently with lower alcohols and ammonia (Sidgwick 1950).
Safety Profile
Ignites on contact with moist air, water, or carbon dioxide. See also MAGNESIUM COMPOUNDS.
Properties of Magnesium diethyl
| Melting point: | 0° |
| Boiling point: | 72.4°C |
| form | solid |
| EPA Substance Registry System | Magnesium, diethyl- (557-18-6) |
Safety information for Magnesium diethyl
Computed Descriptors for Magnesium diethyl
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