Iron(II) oxalate dihydrate(FeC2O4•2H2O)- Crystalline

Characteristic




Ferrous oxalate, or iron(II) oxalate, is a inorganic compound with the formula FeC2O4 • xH2O where x is typically 2. These are orange compounds, poorly soluble in water.




Chemical formula:FeC2O4 (anhydrous);FeC2O4 • 2H2O (dihydrate)

Molar mass:143.86 g/mol (anhydrous);179.89 g/mol (dihydrate)

Appearance:yellow powder

Odor:odorless

Density:2.28 g/cm3

Melting point:190 °C (374 °F; 463 K)(anhydrous); 150–160 °C (302–320 °F; 423–433 K)(dihydrate) decomposes

Boiling point:365.1 °C (689.2 °F; 638.2 K)(anhydrous)

Solubility in water:dihydrate:0.097 g/100ml (25 °C)




Application




It is used as photographic developer for silver bromide-gelatin plates. It imparts greenish-brown tint to optical glass (sunglasses, windshields, railroad car windows), for decorative glassware, pigment for plastics, paints and lacquers. It acts as reagent.