Molybdenum Carbide

Molybdenum carbide
Identifiers
CAS Number	MoC: 12011-97-1; Mo2C: 12069-89-5 ;
3D model (JSmol)	MoC: Interactive image; Mo2C: Interactive image;
ChemSpider	Mo2C: 9162545;
EC Number	MoC: 234-569-3; Mo2C: 235-115-7;
PubChem CID	MoC: 71623305; Mo2C: 10987348;
	InChI MoC: InChI=1S/C.Mo; Mo2C: InChI=1S/C.2Mo;
	SMILES MoC: [C]=[Mo]; Mo2C: C(=[Mo])=[Mo];
Properties
Chemical formula	MoC and Mo2C
Molar mass	107,961 g/mol (MoC) and 203,911 g/mol (Mo2C)
Density	8.90 g/cm3
Melting point	2,687 °C (4,869 °F; 2,960 K)
Related compounds
Related Refractory ceramic materials	Niobium carbide, tantalum carbide
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
	Infobox references

Molybdenum carbide is an extremely hard, refractory, ceramic material, commercially used in tool bits for cutting tools.

There are at least three reported phases of molybdenum carbide: γ-Mo C, β-Mo₂C, and γ'. The γ phase is structurally identical to tungsten carbide.^[1]

β-Mo₂C has been suggested as a catalyst for carbon dioxide hydrogenation.^[2] The γ' phase forms by combining the elements at relatively low temperatures, and transforms to the γ phase at 800 °C.^[3]

References

↑ "Molybdenum Carbide Mo2C, ESPI Metals". http://www.espimetals.com/index.php/659-msds/molybdenum-carbide-mo2c/675-molybdenum-carbide-mo2c.
↑ Zhou, Hui; Chen, Zixuan; Kountoupi, Evgenia; Tsoukalou, Athanasia; Abdala, Paula M.; Florian, Pierre; Fedorov, Alexey; Müller, Christoph R. (2021-09-17). "Two-dimensional molybdenum carbide 2D-Mo2C as a superior catalyst for CO₂ hydrogenation". Nature Communications (Springer Science and Business Media LLC) 12 (1): 5510. doi:10.1038/s41467-021-25784-0. ISSN 2041-1723. PMID 34535647. Bibcode: 2021NatCo..12.5510Z.
↑ KuO, K.; HÄGG, G. (1952). "A New Molybdenum Carbide". Nature (Springer Science and Business Media LLC) 170 (4319): 245–246. doi:10.1038/170245a0. ISSN 0028-0836. Bibcode: 1952Natur.170..245K.

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[MO-1] "Molybdenum Carbide Mo2C, ESPI Metals". http://www.espimetals.com/index.php/659-msds/molybdenum-carbide-mo2c/675-molybdenum-carbide-mo2c.

[2] Zhou, Hui; Chen, Zixuan; Kountoupi, Evgenia; Tsoukalou, Athanasia; Abdala, Paula M.; Florian, Pierre; Fedorov, Alexey; Müller, Christoph R. (2021-09-17). "Two-dimensional molybdenum carbide 2D-Mo2C as a superior catalyst for CO₂ hydrogenation". Nature Communications (Springer Science and Business Media LLC) 12 (1): 5510. doi:10.1038/s41467-021-25784-0. ISSN 2041-1723. PMID 34535647. Bibcode: 2021NatCo..12.5510Z.

[3] KuO, K.; HÄGG, G. (1952). "A New Molybdenum Carbide". Nature (Springer Science and Business Media LLC) 170 (4319): 245–246. doi:10.1038/170245a0. ISSN 0028-0836. Bibcode: 1952Natur.170..245K.

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Identifiers
CAS Number	MoC: 12011-97-1 Mo₂C: 12069-89-5^Y
3D model (JSmol)	MoC: Interactive image Mo₂C: Interactive image
ChemSpider	Mo₂C: 9162545
EC Number	MoC: 234-569-3 Mo₂C: 235-115-7
PubChem CID	MoC: 71623305 Mo₂C: 10987348
InChI MoC: InChI=1S/C.Mo Mo₂C: InChI=1S/C.2Mo
SMILES MoC: [C]=[Mo] Mo₂C: C(=[Mo])=[Mo]
Properties
Chemical formula	Mo C and Mo₂C
Molar mass	107,961 g/mol (MoC) and 203,911 g/mol (Mo₂C)
Density	8.90 g/cm³
Melting point	2,687 °C (4,869 °F; 2,960 K)
Related compounds
Related Refractory ceramic materials	Niobium carbide, tantalum carbide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references