... 67-43-6 Diethylenetriaminepentaacetic Acid used as chelating agent and complexing agent in textile industry Diethylenetriaminepentaacetic Acid (DTPA, CAS: 67 ... . DTPA 99%min (Diethylenetriaminepentaacetic Acid, CAS: 67-43-6) is primarily used as a metal ion chelator. 2. DTPA 99 ... as papermaking, textiles, food, medicine, agriculture, daily necessities, and others. DTPA 99%, CAS: 67-43-6, used as ...