Title: Calcium Oxalate
CAS Registry Number: 563-72-4
CAS Name: Ethanedioic acid calcium salt
Molecular Formula: C2CaO4
Molecular Weight: 128.10
Percent Composition: C 18.75%, Ca 31.29%, O 49.96%
Line Formula: CaC2O4
Literature References: Prepn from calcium formate: Bredt, US 1622991 (1927); from calcium cyanamide: Barsky, Buchanan, J. Am. Chem. Soc. 53, 1270 (1931).
Derivative Type: Monohydrate
Properties: Cubic crystals. Loses all of its water at 200°. When ignited is converted into CaCO3 or CaO without appreciable charring. d 2.2. Practically insol in water or acetic acid; sol in dil HCl or HNO3.
Density: d 2.2
Use: In ceramic glazes; as carrier for separation of rare earth metals; analysis for calcium: Ingols, Murray, Anal. Chem. 21, 525 (1949). |