Iron(III) pyrophosphate hydrate, 21 % Fe, pure, 500 g, plastic

Iron(III) pyrophosphate hydrate, 21 % Fe, pure, Molar mass (M) 745,25 + x H₂O g/mol, CAS No. 10058-44-3, EC No. 233-190-0, Empirical formula Fe₄(P₂O₇)3 · x H₂O