Used primarily as a coupling reagent in peptide synthesis, it facilitates the formation of amide bonds between amino acids. Its effectiveness in promoting these reactions makes it valuable in the production of peptides for pharmaceutical research and development. Additionally, it is employed in organic synthesis for the preparation of complex molecules, where its stability and reactivity under various conditions are advantageous. The compound is also utilized in the synthesis of phosphonium salts, which have applications in catalysis and material science. Its role in these processes underscores its importance in advancing chemical and biochemical research.