This chemical is primarily utilized in the field of organic synthesis, particularly in the development of phosphonate esters, which are valuable intermediates in the production of pharmaceuticals and agrochemicals. Its unique structure, featuring a chloroethyl group and an oxadiazaphosphonine ring, makes it a versatile reagent for introducing phosphorus-containing moieties into complex molecules. It is also employed in the synthesis of biologically active compounds, where its phosphonate group can mimic phosphate esters, playing a role in enzyme inhibition or modulation. Additionally, it finds use in material science for creating phosphorus-based polymers or coatings with specific properties, such as flame retardancy or adhesion enhancement. Its application is often tailored to leverage its reactivity and stability in targeted chemical transformations.