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Cobalt(II) formate

Summary

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
Names
IUPAC name
Cobalt(II) formate
Identifiers
  • 544-18-3 checkY
3D model (JSmol)
  • Interactive image
ChemSpider
  • 10532
ECHA InfoCard 100.008.059 Edit this at Wikidata
EC Number
  • 208-862-4
  • 10998
UNII
  • 3ADO6Y1TNZ checkY
  • DTXSID1060267 Edit this at Wikidata
  • InChI=1S/2CH2O2.Co/c2*2-1-3;/h2*1H,(H,2,3);/q;;+2/p-2
    Key: PFQLIVQUKOIJJD-UHFFFAOYSA-L
  • InChI=1/2CH2O2.Co/c2*2-1-3;/h2*1H,(H,2,3);/q;;+2/p-2
    Key: PFQLIVQUKOIJJD-NUQVWONBAE
  • C(=O)[O-].C(=O)[O-].[Co+2]
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).
Infobox references

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

  1. ^ 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.
  2. ^ University of Akron Chemical Database Archived 2012-12-12 at archive.today
  3. ^ 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.
  4. ^ "COBALTOUS FORMATE | CAMEO Chemicals | NOAA". cameochemicals.noaa.gov. Retrieved 2023-12-12.