Used as a key intermediate in the synthesis of various pharmaceuticals, particularly those targeting central nervous system disorders. Its trifluoromethyl group enhances the biological activity and metabolic stability of the final compounds. Applied in agrochemical research for developing herbicides and pesticides, where the trifluorobutene moiety contributes to improved efficacy and selectivity. Employed in organic synthesis for creating complex molecules, especially in cross-coupling reactions and as a building block for fluorinated compounds. Utilized in material science for designing advanced polymers and coatings, leveraging its unique fluorine properties to enhance durability and resistance.