Gallium trichloride is the chemical compound with the formula GaCl3. Solid gallium trichloride exists as a dimer with the formula Ga2Cl6. It is colourless and soluble in virtually all solvents, even alkanes, which is truly unusual for a metal halide. It is the main precursor to most derivatives of gallium and a reagent in organic synthesis.
As a Lewis acid, GaCl3 is milder than aluminium trichloride. Gallium(III) is easier to reduce than Al(III), so the chemistry of reduced gallium compounds is more extensive than for aluminium. Ga2Cl4 is known whereas the corresponding Al2Cl4 is not. The coordination chemistry of Ga(III) and Fe(III) are similar, and gallium(III) compounds have been used as diamagnetic analogues of ferric compounds.
Name | Gallium trichloride | EINECS | 236-610-0 |
CAS No. | 13450-90-3 | Density | 2.47 g/mL at 25 °C(lit.) |
PSA | 0.00000 | LogP | 1.68770 |
Solubility | Soluble in water | Melting Point | 78 °C(lit.)
|
Formula | GaCl3 | Boiling Point | 35 °C |
Molecular Weight | 176.082 | Flash Point | -26 °F |
Transport Information | UN 3260 | Appearance | white crystals or powder |
Appearance and properties: white crystal or powder
Density: 2.47
Boiling point: 201.03ºC
Melting point: 77.9ºC
Flash point: -26 °F
Stability: Stability Stable, but reacts violently with water.
Storage conditions: warehouse ventilation low temperature dry
Vapor pressure: 33900mmHg at 25°C
Usage:Used as a catalyst for organic reactions
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