Guaiacylglycerol-β-guaiacyl ether is primarily used in the study of lignin chemistry due to its structural similarity to lignin, a complex polymer found in plant cell walls. Researchers utilize it as a model compound to better understand lignin's degradation and transformation processes, which is crucial for developing efficient methods in biomass conversion and biofuel production. It also aids in exploring enzymatic and chemical pathways for breaking down lignin into valuable aromatic compounds. Additionally, this chemical is employed in the synthesis of lignin-derived materials, such as adhesives, resins, and carbon fibers, contributing to sustainable material development. Its role in simulating lignin behavior makes it a valuable tool in both academic and industrial research focused on renewable resources.