Tetradecylcyclohexane is primarily used as a synthetic lubricant base oil due to its excellent thermal stability and low volatility. It is particularly valued in high-temperature applications, such as in industrial machinery and automotive engines, where it helps reduce friction and wear. Additionally, it serves as a component in the formulation of greases and specialty oils for aerospace and precision equipment, where performance under extreme conditions is critical. Its chemical structure also makes it suitable for use in heat transfer fluids and as a solvent in specific industrial processes.