Diphosphoric acid, iron(3++) salt is a chemical compound registered under CAS number 10402-25-2, with the molecular formula Fe. x H4 O7 P2 and a molecular weight of about 745.2 g/mol. It is also known as Diphosphoric acid, iron(3+) salt (1:?); Diphosphoric acid, iron(3+) salt. ChemRoots supplies Diphosphoric acid, iron(3++) salt for laboratory research and bulk production; product code 469653. Send an inquiry for purity, packaging, price and lead time.