7-Tetradecyne is primarily used in organic synthesis and research applications, particularly as a building block for more complex chemical compounds. It serves as a key intermediate in the development of specialty chemicals, including surfactants, lubricants, and polymers. Its alkyne functional group makes it valuable in click chemistry reactions, which are widely utilized in drug discovery and material science. Additionally, it is employed in the study of catalytic processes and the preparation of fine chemicals. Its hydrophobic nature also makes it suitable for applications in surface modification and coatings.