Used as a versatile alkylating agent in organic synthesis, particularly for the introduction of bromomethyl groups into complex molecules. It is effective in the preparation of heterocyclic compounds and pharmaceutical intermediates due to its selective reactivity under mild conditions. Commonly employed in the synthesis of bioactive molecules where controlled alkylation is required. Also finds use in analytical chemistry for derivatization of compounds to enhance detection in mass spectrometry. Its stability and solubility in polar solvents make it suitable for reactions in aqueous or mixed solvent systems.