Butyl 3-butoxypropanoate is primarily used as a solvent in various industrial applications due to its effective solvency properties. It is commonly employed in the formulation of coatings, paints, and varnishes, where it helps improve the flow and leveling of the product while enhancing drying time. Additionally, it is utilized in the production of adhesives and sealants, contributing to better adhesion and flexibility. In the cleaning industry, it serves as a component in degreasers and cleaning agents, effectively removing oils and greases. Its compatibility with other chemicals and stability under different conditions make it a versatile ingredient in chemical formulations.