Widely used as a versatile source of copper(I) in catalytic reactions, particularly in organic synthesis. It serves as an effective catalyst in coupling reactions such as C–N, C–O, and C–S bond formations, which are key steps in pharmaceutical and agrochemical manufacturing. Its solubility in polar organic solvents makes it suitable for homogeneous catalysis. Commonly employed in click chemistry, especially in azide-alkyne cycloaddition reactions, due to its ability to promote regioselective formation of 1,4-disubstituted triazoles. Also utilized in materials science for the synthesis of conductive polymers and metal-organic frameworks. The acetonitrile ligands are labile, allowing easy substitution by other ligands, which enhances its reactivity and applicability in various coordination environments.