Formamidine acetate is a key reagent in organic synthesis, serving as an intermediate for the preparation of amidines, guanidines, and heterocyclic compounds. It is widely used in the pharmaceutical industry for the synthesis of various drugs and in the production of agrochemicals, including precursors to acaricides and insecticides. Additionally, it finds applications in the textile sector as a dye-fixing agent to improve color fastness. Its versatility makes it essential in research and industrial chemical processes.