Fumaronitrile is widely used in the synthesis of various organic compounds, particularly in the production of pharmaceuticals and agrochemicals. It serves as a key intermediate in the manufacture of active ingredients for drugs targeting cardiovascular diseases and certain types of cancer. Additionally, it is employed in the creation of herbicides and pesticides, helping to improve crop protection and agricultural efficiency.

In the field of materials science, fumaronitrile is utilized in the development of high-performance polymers and resins. These materials exhibit excellent thermal stability and chemical resistance, making them suitable for applications in electronics, coatings, and adhesives. Its role in cross-linking reactions enhances the durability and strength of these polymers.

Fumaronitrile also finds use in organic synthesis as a building block for heterocyclic compounds, which are essential in the development of dyes, pigments, and other specialty chemicals. Its versatility and reactivity make it a valuable component in advancing various industrial and scientific applications.