Cobalt(II) oxalate

Cobalt(II) oxalate
Identifiers
CAS Number	814-89-1 ;
3D model (JSmol)	Interactive image;
ChemSpider	63139 ;
ECHA InfoCard	100.011.281
PubChem CID	69946;
UNII	R028MNY8UA ;
CompTox Dashboard (EPA)	DTXSID10883588 ;
	InChI InChI=1S/C2H2O4.Co/c3-1(4)2(5)6;/h(H,3,4)(H,5,6);/q;+2/p-2 Key: MULYSYXKGICWJF-UHFFFAOYSA-L ; InChI=1/C2H2O4.Co/c3-1(4)2(5)6;/h(H,3,4)(H,5,6);/q;+2/p-2 Key: MULYSYXKGICWJF-NUQVWONBAF;
	SMILES C(=O)(C(=O)[O-])[O-].[Co+2];
Properties
Chemical formula	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). verify (what is ?) Infobox references

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.

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.

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