O-Allylhydroxylamine Hydrochloride is widely used in organic synthesis, particularly as a reagent for the introduction of allyl groups into various chemical structures. It is commonly employed in the preparation of allylamines, which are valuable intermediates in the production of pharmaceuticals, agrochemicals, and fine chemicals. The compound is also utilized in the synthesis of heterocycles and other complex organic molecules, where its ability to form stable intermediates plays a crucial role. Additionally, it finds application in the modification of polymers and biomolecules, enhancing their functional properties for specific industrial or research purposes. Its versatility and reactivity make it a key component in many synthetic pathways.