Potassium tricyanomethanide is primarily used in organic synthesis as a versatile reagent. It serves as a precursor for the preparation of complex organic molecules, particularly in the formation of cyanide-containing compounds. The chemical is also employed in the synthesis of heterocyclic compounds, which are essential in pharmaceutical and agrochemical industries. Additionally, it finds application in coordination chemistry, where it acts as a ligand to form stable complexes with various metal ions. These complexes are often studied for their potential use in catalysis and material science. Its ability to introduce the tricyanomethanide group into molecules makes it valuable in the development of new materials with specific electronic or optical properties.