Used primarily as a reference standard in analytical laboratories, this compound is essential for calibrating instruments and validating methods in chemical analysis. It helps ensure accuracy and consistency in identifying and quantifying phthalates in various samples, such as environmental, industrial, and consumer products. Its application is critical in quality control processes, particularly in industries monitoring phthalate levels to comply with safety and regulatory standards. Additionally, it supports research studies focused on the impact and behavior of phthalates in different matrices.