Carbon, Iron, Oxygenrdavis Ferrous Oxalate, Dihydrate Iron (II) oxalate, dihydrate CAS #6047-25-2 Fe(C2O4) · 2H2O FW: 179.9 Downloads Ferrous Oxalate Information Sheet Ferrous Oxalate SDS US Specifications: Assay: 98 % min. Appearance: Yellow insoluble powder 110 lb. Fiber drum Item # 2970-01