N,N’-Dimethyl-1,4-butanediamine is primarily used as a building block in the synthesis of various polymers and resins. It plays a crucial role in the production of polyamides and polyurethanes, where it acts as a cross-linking agent, enhancing the material's durability and flexibility.

In the pharmaceutical industry, it serves as an intermediate in the synthesis of certain drugs, particularly those targeting neurological conditions. Its ability to form stable bonds makes it valuable in creating active pharmaceutical ingredients with specific properties.

Additionally, it is utilized in the manufacture of corrosion inhibitors, which are essential in protecting metal surfaces in industrial applications. Its chemical structure allows it to effectively bind to metal surfaces, preventing oxidation and extending the lifespan of equipment.

In the field of organic synthesis, it is employed as a ligand in catalytic processes, facilitating various chemical reactions with high efficiency. Its versatility and reactivity make it a valuable component in the development of new chemical compounds and materials.