... . Application of DTPA (CAS: 67-43-6): 1. DTPA 99%min (Diethylenetriaminepentaacetic Acid, CAS: 67-43-6) is primarily used as a ... metal ion chelator. 2. DTPA 99%min (Diethylenetriaminepentaacetic Acid, CAS: 67-43-6) has found countless applications in ... papermaking, textiles, food, medicine, agriculture, daily necessities, and others. DTPA acid 99%, CAS: 67-43-6