Ferrous oxalate, or iron(II) oxalate, is a chemical compound consisting of one iron(II) ion (Fe2+) and one oxalate ion (C2O42−). It has the chemical formula FeC2O4.
F 1381 (OTTO) Ferrous oxalate Cas 516-03-0 - used as a photographic developer, glass tint, decorative glass colorant, and pigment in plastics, paints, and lacquers.