Tribromoacetonitrile is primarily used as a reagent in organic synthesis, particularly in the preparation of various brominated compounds. It serves as a key intermediate in the production of pharmaceuticals, agrochemicals, and other specialty chemicals. In addition, it is employed in research laboratories for studying bromination reactions and developing new synthetic methodologies. Its strong brominating properties make it valuable in modifying organic molecules to introduce bromine atoms, which can enhance the biological activity or stability of the compounds. Furthermore, it is utilized in the synthesis of flame retardants and other materials where bromine incorporation is essential.