Propane-1,3-diyl dibenzoate is commonly used as a plasticizer in the production of polymers and resins. It enhances the flexibility and durability of materials, making it valuable in the manufacturing of plastics, coatings, and adhesives. Additionally, it is utilized in the formulation of personal care products, such as cosmetics and lotions, where it acts as an emollient to improve texture and spreadability. Its compatibility with various organic compounds also makes it suitable for use in specialty chemical applications, including inks and dyes.