Used as a key reagent in organic synthesis, particularly in the preparation of nitrogen-containing compounds. It serves as an aminating agent, transferring the hydroxylamine moiety to various substrates, enabling the formation of N–O and N–N bonds. Commonly applied in the synthesis of heterocycles and functionalized amines, which are important in pharmaceuticals and agrochemicals. Its ability to react with electrophiles under mild conditions makes it valuable in multi-step synthetic routes where selectivity and functional group tolerance are critical. Also utilized in the development of ligands for catalysis due to the presence of phosphorus and nitrogen donor atoms.