3D model (JSmol)
CompTox Dashboard (EPA)
|Molar mass||745.224 (anhydrate)|
|Appearance||yellow solid (nonahydrate)|
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Iron(III) pyrophosphate is an inorganic chemical compound with the formula Fe4(P2O7)3.
Anhydrous iron(III) pyrophosphate can be prepared by heating the mixture of iron(III) metaphosphate and iron(III) phosphate under oxygen with the stoichiometric ratio 1:3. The reactants can be prepared by reacting iron(III) nitrate nonahydrate with phosphoric acid.
It can be also prepared via the following reaction: