Ethylene DiamineTetra (Methylene Phosphonic Acid) EDTMPA

Ethylene Diamine Tetra (Methylene Phosphonic Acid)  EDTMPA (Solid)  CAS No.1429-50-1,its Molecular Formula is C6H20 N2O12P4, EDTMPA CAS No.1429-50-1 is white crystal powder at room temperature, with melting point 215-217℃, hard to be dissolved in water, the solubility is less that 5% at room temperature, easy dissolved in ammonia. EDTMPA has strong metal ion chelating capacity, whose chelating constant with cuprum ion is larger than that of EDTA.EDTMPA has high capacity for chelating metal ions. The complex constant with Cu is the largest in all chelating agents including EDTA.