Used primarily as an intermediate in the production of plasticizers, 2-Ethylhexanal plays a key role in synthesizing 2-ethylhexanoic acid and its derivatives. These compounds are essential in manufacturing PVC plasticizers such as dioctyl phthalate (DOP), which improve the flexibility and durability of plastics. It is also involved in the production of surface active agents, lubricants, and synthetic rubber additives. Additionally, it serves as a precursor in the synthesis of specialty esters used in coatings, adhesives, and sealants. Its aldehyde functionality allows for use in aldol condensation reactions, enabling the creation of larger molecules for industrial applications.