Title: Cupric Oxalate
CAS Registry Number: 814-91-5
CAS Name: Ethanedioic acid copper salt
Molecular Formula: C2CuO4
Molecular Weight: 151.57
Percent Composition: C 15.85%, Cu 41.93%, O 42.22%
Line Formula: CuC2O4
Literature References: Prepd by reaction of CuSO4 with oxalic acid: David, Bull. Soc. Chim. Fr. 1960, 719. Usually contains some water.
Properties: Blue-white powder. Loses any hydrated water by 200°; dec in air at 310° to CuO. Practically insol in water, alcohol, ether, acetic acid; sol in NH4OH.
Use: As catalyst for organic reactions; as stabilizer for acetylated polyformaldehyde; in anticaries compositions; in seed treatments to repel birds and rodents.