Polyethylene Glycol Bis(3-aminopropyl) Ether is widely used in the field of bioconjugation and polymer chemistry. It serves as a versatile linker for attaching functional groups or biomolecules to surfaces or other polymers, enhancing biocompatibility and solubility. In drug delivery systems, it is employed to modify therapeutic agents, improving their stability and prolonging circulation time in the body. The compound is also utilized in the synthesis of hydrogels and other polymeric materials, where its dual-reactive amino groups enable cross-linking and network formation. Additionally, it finds applications in surface modification, where it is used to create antifouling coatings that prevent unwanted protein or cell adhesion. Its amphiphilic nature makes it suitable for use in emulsification and stabilization processes in various industrial formulations.