Di-n-hexylamine is primarily used as an intermediate in the synthesis of various chemical compounds. It plays a significant role in the production of corrosion inhibitors, which are essential in protecting metals from degradation in industrial environments. Additionally, it is utilized in the manufacture of surfactants and emulsifiers, which are critical components in detergents, cleaning agents, and personal care products. In the pharmaceutical industry, it serves as a building block for the development of certain drugs and active pharmaceutical ingredients. Its application also extends to the rubber and plastic industries, where it is used as a stabilizer and processing aid. Furthermore, Di-n-hexylamine finds use in organic synthesis, particularly in the preparation of complex organic molecules for research and industrial purposes.