Cobalt(II) formate
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| IUPAC name
Cobalt(II) formate
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| Identifiers | |
3D model (JSmol)
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| ChemSpider | |
| ECHA InfoCard | 100.008.059 |
| EC Number |
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PubChem CID
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| UNII | |
CompTox Dashboard (EPA)
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| Properties | |
| Co(HCO2)2 | |
| Molar mass | 148.97 g/mol |
| Appearance | red crystalline |
| Density | 2.13 g/cm3 (20 °C) |
| Melting point | 175 °C (347 °F; 448 K) (decomposes) |
| 5.03 g/100 mL (20 °C)[1] | |
| Solubility | insoluble in alcohol |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Cobalt(II) formate is an inorganic compound with the chemical formula Co(HCO2)2 (or Co(HCOO)2).[2] It typically exists as a dihydrate (Co(HCO2)2•2H2) in which it forms a 3D metal–organic framework structure and is known as Co-MOF.[3]
Cobalt(II) formate is a red crystalline solid and is soluble in water. It can be very hazardous to the environment. Cobalt formate is used to make catalysts for chemical manufacture[4] and for isolation of isotopically enriched hydrogen.
Synthesis[edit]
It can be prepared by adding Co(NO3)2 and phytic acid to a mixture of water, methanol, and dimethyl formamide.
The solution will have a clear appearance until it is heated 100 °C for about 24 hours. At this point it, will appear as a red crystalline structure.[3]
Application[edit]
This MOF has recently been used to isolate hydrogen isotopes. This is done via an oxygen evolution reaction using Co(HCOO)2 as a catalyst.[3]
References[edit]
- ^ Haynes, W.M., ed. (2017). CRC Handbook of Chemistry and Physics (97th ed.). CRC Press, Taylor & Francis Group. pp. 4–58. ISBN 978-1-4987-5429-3.
- ^ University of Akron Chemical Database Archived 2012-12-12 at archive.today
- ^ a b c Ravi, Athira; Nasani, Rajendar; Das, Samar K. (March 2022). "Cobalt Formate, a Functional MOF: Electrocatalytic Water Oxidation". Journal of Molecular and Engineering Materials. 10 (1n02). Bibcode:2022JMEM...1040002R. doi:10.1142/S2251237322400020. ISSN 2251-2373. S2CID 248955759.
- ^ "COBALTOUS FORMATE | CAMEO Chemicals | NOAA". cameochemicals.noaa.gov. Retrieved 2023-12-12.
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