Title: Ferrous Oxalate
CAS Registry Number: 516-03-0
Synonyms: Ferrox
Molecular Formula: C2FeO4
Molecular Weight: 143.86
Percent Composition: C 16.70%, Fe 38.82%, O 44.49%
Line Formula: FeC2O4
Literature References: Prepn of dihydrate:
Gmelins, Iron (8th ed.)
59, part B, 532-533 (1932); prepn of anhydr salt: Waterman, Vivian,
J. Org. Chem. 14, 289 (1949).
Derivative Type: Dihydrate
Properties: Pale yellow, odorless, cryst powder. d 2.28. Dec at 150-160° on heating in air. Slightly sol in water; sol in dil mineral acids.
Density: d 2.28
Use: As a photographic developer for silver bromide-gelatin plates; to impart a greenish-brown tint to optical glass (sunglasses, windshields, railroad car windows), for decorative glassware; pigment for plastics, paints, lacquers.