This compound is widely used as a stable free radical in various scientific and industrial applications. It serves as a spin label in electron paramagnetic resonance (EPR) spectroscopy, enabling researchers to study the structure and dynamics of complex molecules, such as proteins and polymers. Its stability and reactivity make it valuable for probing molecular interactions and conformational changes in biological systems.

In materials science, it is employed as a polymerization inhibitor, preventing unwanted reactions during the storage or processing of monomers. Additionally, it acts as a catalyst or mediator in organic synthesis, facilitating the production of specialized chemicals. Its unique properties also make it useful in the development of advanced materials, such as conductive polymers and magnetic nanoparticles.