Used primarily in organic synthesis as a building block for more complex molecules. It is particularly valuable in the preparation of cyclopropylacetylene derivatives, which are important intermediates in pharmaceuticals and agrochemicals. The trimethylsilyl group acts as a protective group, enhancing the stability and reactivity of the cyclopropylethynyl moiety during chemical reactions. This compound is also employed in the development of novel materials and in research involving cross-coupling reactions, where it facilitates the formation of carbon-carbon bonds. Its unique structure makes it a versatile reagent in the synthesis of cyclopropane-containing compounds, which are often explored for their biological activity.