1,2,5-Pentanetriol is primarily used in the production of polymers and resins, where it acts as a building block to enhance flexibility and durability. It is also utilized in the synthesis of plasticizers, which are added to plastics to improve their workability and elasticity. In the pharmaceutical industry, it serves as an intermediate in the development of various drugs, particularly those requiring a stable and versatile triol structure. Additionally, it finds applications in the cosmetics industry as a humectant, helping to retain moisture in skincare products. Its ability to form stable emulsions makes it valuable in formulations for lotions and creams. In the field of organic synthesis, it is employed as a reagent to create complex molecules, leveraging its three hydroxyl groups for diverse chemical reactions.