This compound is primarily utilized in organic synthesis as a catalyst, particularly in the formation of carbon-carbon bonds. It is effective in promoting various condensation reactions, such as the benzoin condensation, where it facilitates the coupling of aldehydes to form α-hydroxy ketones. Its thiazolium structure makes it a key component in enzymatic-like processes, mimicking the activity of thiamine (vitamin B1) in biological systems. Additionally, it is employed in the synthesis of heterocyclic compounds, which are valuable in pharmaceutical and agrochemical industries. Its ability to act as a nucleophilic catalyst also makes it useful in the preparation of intermediates for complex organic molecules.