3-Methoxypropylamine is widely used as an intermediate in the synthesis of various pharmaceuticals, particularly in the production of active pharmaceutical ingredients (APIs). Its application extends to the development of antihypertensive drugs and other therapeutic agents due to its reactive amine group, which facilitates the formation of complex organic compounds.

In the agrochemical industry, it serves as a key building block for the manufacture of herbicides, fungicides, and insecticides. Its chemical structure allows it to act as a precursor in the synthesis of compounds that effectively target pests and enhance crop protection.

Additionally, 3-Methoxypropylamine is utilized in the production of specialty chemicals, including corrosion inhibitors and surfactants. Its ability to form stable compounds makes it valuable in formulations designed to protect metal surfaces and improve the performance of industrial cleaning agents.

In the field of organic synthesis, it is employed as a reagent in various reactions, such as the preparation of amines, amides, and other nitrogen-containing compounds. Its versatility and reactivity make it a useful component in research and development processes across multiple industries.