Description

Cobalt(II) Oxalate Dihydrate (CAS No. 5965-38-8) is a high-purity coordination compound with the molecular formula C₂H₄CoO₆, widely utilized in research and industrial applications. This reagent-grade material consists of cobalt(II) ions coordinated with oxalate ligands and two water molecules, forming a stable crystalline structure. It is available in Puratronic™ quality, ensuring ultra-low trace metal impurities for sensitive applications. Ideal for catalysis, electrochemistry, and materials science, this compound serves as a precursor for cobalt-based nanomaterials, battery electrodes, and ceramic pigments. Its well-defined stoichiometry and consistent purity make it a reliable choice for synthetic and analytical workflows.

Properties

• CAS Number: 5965-38-8
• Complexity: 60.5
• IUPAC Name: cobaltous;oxalate;dihydrate
• InChI: InChI=1S/C2H2O4.Co.2H2O/c3-1(4)2(5)6;;;/h(H,3,4)(H,5,6);;2*1H2/q;+2;;/p-2
• InChI Key: MWHSMSAKVHVSAS-UHFFFAOYSA-L
• Exact Mass: 182.933981
• Molecular Formula: C2H4CoO6
• Molecular Weight: 182.98
• SMILES: C(=O)(C(=O)[O-])[O-].O.O.[Co+2]
• Topological: 82.3
• Monoisotopic Mass: 182.933981
• Synonyms: 5965-38-8, Cobalt, diaqua(ethanedioato(2-)-kappaO1,kappaO2)-, (T-4)-, Cobalt, diaqua[ethanedioato(2-)-kappaO1,kappaO2]-, (T-4)-, 628-928-7, Cobalt(II) oxalate dihydrate, cobalt(2+);oxalate;dihydrate, cobalt oxalate dihydrate, MFCD03414148, C2H4CoO6, SCHEMBL222237, Cobalt (II) oxalate dihydrate, MWHSMSAKVHVSAS-UHFFFAOYSA-L, |E?-cobalt(2+) dihydrate oxalate, AKOS025243491, Cobalt(II) oxalate dihydrate, Puratronic, 117205-01-3, Cobalt(II) oxalate dihydrate, Reagent Grade, Cobalt, [ethanedioato(2-)-|EO1,|EO2]-, dihydrate

Cobalt(II) oxalate dihydrate is primarily used as a precursor in the synthesis of cobalt oxide nanoparticles for energy storage applications, including lithium-ion batteries and supercapacitors. It also serves as a catalyst in organic reactions, such as oxidation processes, due to its redox-active cobalt center. In materials science, it is employed to produce cobalt metal powders via thermal decomposition for additive manufacturing and alloy development.

Safety and Hazards

GHS Hazard Statements

• H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
• H312 (100%): Harmful in contact with skin [Warning Acute toxicity, dermal]

Precautionary Statements

• P264, P270, P280, P301+P317, P302+P352, P317, P321, P330, P362+P364, and P501

Hazard Classes and Categories

• Acute Tox. 4 (100%)
• Acute Tox. 4 (100%)

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