Used as a reference standard in analytical laboratories for the identification and quantification of 2,4-diaminobenzyl ether in various samples. Commonly applied in quality control and research settings involving organic synthesis, particularly in the development of dyes, pharmaceuticals, and polymers where precise measurement of amine-containing intermediates is required. Its standardized concentration ensures accurate calibration of instruments such as HPLC and GC-MS, supporting reliable data in environmental testing, forensic analysis, and industrial R&D.