Used as a reagent in organic synthesis, particularly in Suzuki-Miyaura cross-coupling reactions for the efficient introduction of the 4-methylbenzyl group to aryl or heteroaryl halides. It acts as a stable nucleophilic boron species, enabling selective C-C bond formation under mild conditions. This is valuable in pharmaceutical and agrochemical industries for building complex molecular architectures, enhancing properties like metabolic stability and bioavailability. Its air and moisture stability, along with good solubility, makes it compatible with a wide range of functional groups and reduces side reactions. Commonly applied in the development of drug candidates, bioactive molecules, and advanced materials.