Used as a reagent in organic synthesis, particularly in the preparation of complex molecules through cycloaddition reactions. It serves as a key intermediate in the production of pharmaceuticals and agrochemicals. Its ability to act as a dienophile in Diels-Alder reactions makes it valuable for creating cyclic compounds. Additionally, it is employed in the synthesis of polymers and coatings, contributing to material science advancements. Its water-soluble nature allows for easy handling in aqueous reaction systems.