Propylamine is widely used as an intermediate in the production of various chemicals, including pharmaceuticals, agrochemicals, and dyes. In the pharmaceutical industry, it serves as a building block for synthesizing active pharmaceutical ingredients (APIs) and other drug compounds. It is also employed in the manufacture of herbicides, pesticides, and fungicides, contributing to crop protection and agricultural productivity. Additionally, propylamine is utilized in the production of rubber chemicals and surfactants, which are essential in industrial and household cleaning products. Its role as a precursor in organic synthesis makes it valuable in creating complex molecules for diverse applications.