Used as a strong nucleophile and base in organic synthesis, particularly for introducing the 2-thienyl group into molecules. Commonly employed in the preparation of conjugated systems for organic electronic materials, such as semiconductors and OLEDs. Reacts with a variety of electrophiles including carbonyl compounds, epoxides, and alkyl halides to form carbon–carbon bonds. Also utilized in the synthesis of pharmaceuticals and agrochemicals where thiophene derivatives are key structural motifs. Requires handling under inert atmosphere due to high reactivity with moisture and air.