Bentazone-8-hydroxy is primarily used as a metabolite in the study of bentazone, a herbicide widely applied in agriculture. It plays a crucial role in understanding the degradation pathways and environmental fate of bentazone. Researchers utilize this compound to analyze how bentazone breaks down in soil and water, helping to assess its persistence and potential ecological impact. Additionally, it is employed in the development of analytical methods for detecting and quantifying bentazone residues in environmental samples, ensuring compliance with safety regulations and monitoring contamination levels. This metabolite is also valuable in toxicological studies to evaluate the effects of bentazone on non-target organisms and to improve the safety profile of herbicide formulations.