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.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.