Gallium (III) Chloride (GaCl3)-Crystalline

Characteristic

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

Chemical formula：GaCl₃

Molar mass：176.073 g/mol

Appearance：colorless crystals deliquescent                                                                                                           

Density：2.47 g/cm³；2.053 g/cm³ at melting point

Melting point：77.9 °C (172.2 °F; 351.0 K) 

Boiling point：201 °C (394 °F; 474 K)

Solubility in water：very soluble

Solubility：soluble in benzene, CCl₄, CS₂

Magnetic susceptibility (χ)：−63.0·10⁻⁶ cm³/mol

Application

Gallium(III) chloride is used as lewis acid or precursor of organogallium reagents. It is used in detection of solar neutrinos. It is used in semiconductor devices for microelectronics and optics. It acts as a catalyst for a number of transformations such as the ring opening and recyclization of epoxide or trimerization of alkynes and as diamagnetic analogue for ferric compounds.