Cobalt(II) oxalate

Cobalt(II) oxalate is the inorganic compound with the formula of CoC2O4. Like other simple inorganic oxalates, it is a coordination polymer. The oxalate ligands bridge of Co(OH2)2 centres. Each cobalt adopts octahedral coordination geometry.[1]

Cobalt(II) oxalate
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.011.281
UNII
Properties
CoC2O4
Molar mass 146.9522 g/mol
Appearance gray/pink powder
Odor odorless
Density 3.01 g/cm3
Melting point 250 °C (482 °F; 523 K) (decomposes)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

It is used in the preparation of cobalt catalysts, and cobalt metal powder for powder-metallurgical applications. It is made in process of recycling lithium-ion batteries, where the cobalt is obtained from cathode material (LiCoO2) by leaching with sulfuric acid and then precipitated with ammonium oxalate.

References

  1. Bacsa, J.; Eve, D.; Dunbar, K. R. (2005). "catena-Poly[[diaquacobalt(II)]-μ-oxalato]". Acta Crystallogr. C. 61: m58–m60. doi:10.1107/S0108270104030409.


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