Trioctylphosphine is widely used as a stabilizing agent in the synthesis of nanoparticles, particularly quantum dots and metal nanoparticles. Its role is crucial in controlling the size and shape of these particles, ensuring uniformity and enhancing their optical and electronic properties. This chemical is also employed as a ligand in organometallic chemistry, facilitating various catalytic reactions. Additionally, it finds application in the production of semiconductors and as a component in the formulation of specialty chemicals for industrial processes. Its ability to act as a reducing agent further extends its utility in the preparation of advanced materials.