EDTMP.Na5 is a neutral solid product. It is nitrogenous organic polyphosphonic acid, which is a part of cathodic corrosion inhib [CAS No.] 7651-99-2 Molecular Formula: C6H15O12N2P4Na5 Molecular weight: 546.13Structural Formula: Properties: EDTMP·Na5 is a neutral solid product. It is nitrogenous organic polyphosphonic acid, which is a part of cathodic corrosion inhibitor. EDTMP·Na5 can be fully ...