Lithium hexafluoroarsenate

Lithium hexafluoroarsenate
Names
	IUPAC name lithium;hexafluoroarsenic(1-)
	Other names Hexafluoroarsenate(V) lithium
Identifiers
CAS Number	29935-35-1 ;
3D model (JSmol)	Interactive image;
ChemSpider	8012757;
ECHA InfoCard	100.045.406
EC Number	249-963-0;
PubChem CID	9837036;
CompTox Dashboard (EPA)	DTXSID50885465;
	InChI InChI=1S/AsF6.Li/c2-1(3,4,5,6)7;/q-1;+1 Key: GTZQZEYBOGZTEO-UHFFFAOYSA-N;
	SMILES [Li+].F[As-](F)(F)(F)(F)F;
Properties
Chemical formula	AsF6Li
Molar mass	195.85 g·mol−1
Appearance	powder
Density	g/cm3
Melting point	349
Solubility in water	soluble
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H301, H331, H410
Precautionary statements	P261, P264, P271, P273, P301, P304, P310, P311, P340
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Lithium hexafluoroarsenate is an inorganic chemical compound with the chemical formula LiAsF₆.^[1]^[2]^[3]

Synthesis

Reaction of arsenic pentafluoride and lithium fluoride in liquid hydrogen fluoride:

LiF + AsF₅ → LiAsF₆

Physical properties

Lithium hexafluoroarsenate forms crystals. It is well-soluble both in water and organic solvents.^[4]^[5] It forms a crystallohydrate of the composition Li[AsF6]•H2O. Its crystals are of rhombic system.^[6]

Chemical properties

Strong oxidizing and reducing agents as well as strong acids and bases cause violent reactions with lithium hexafluoroarsenate. The decomposition produces hydrogen fluoride, arsenic oxides, and lithium oxide.

Uses

Lithium hexafluoroarsenate can be used in the fabrication of lithium-ion batteries.^[7]^[8]

References

^ "Lithium Hexafluoroarsenate(V)". American Elements. Retrieved 27 June 2024.
^ "Lithium hexafluoroarsenate(V) | CAS 29935-35-1 | SCBT - Santa Cruz Biotechnology". Santa Cruz Biotechnology. Retrieved 27 June 2024.
^ Tyunina, Elena Yu.; Chekunova, Marina D. (1 November 2013). "Electrochemical properties of lithium hexafluoroarsenate in methyl acetate at various temperatures". Journal of Molecular Liquids. 187: 332–336. doi:10.1016/j.molliq.2013.08.019. ISSN 0167-7322. Retrieved 27 June 2024.
^ Aifantis, Katerina E.; Kumar, R. V.; Hu, Pu (15 November 2022). Rechargeable Ion Batteries: Materials, Design, and Applications of Li-Ion Cells and Beyond. John Wiley & Sons. p. 194. ISBN 978-3-527-35018-6. Retrieved 27 June 2024.
^ Energy Research Abstracts. Technical Information Center, U.S. Department of Energy. 1982. p. 98. Retrieved 27 June 2024.
^ Haynes, William M. (9 June 2015). CRC Handbook of Chemistry and Physics, 96th Edition. CRC Press. p. 4-72. ISBN 978-1-4822-6097-7. Retrieved 27 June 2024.
^ "Lithium hexafluoroarsenate(V)". Sigma Aldrich. Retrieved 27 June 2024.
^ Srinivasan, Supramaniam (31 December 2006). Fuel Cells: From Fundamentals to Applications. Springer Science & Business Media. p. 165. ISBN 978-0-387-35402-6. Retrieved 27 June 2024.

[1] "Lithium Hexafluoroarsenate(V)". American Elements. Retrieved 27 June 2024.

[2] "Lithium hexafluoroarsenate(V) | CAS 29935-35-1 | SCBT - Santa Cruz Biotechnology". Santa Cruz Biotechnology. Retrieved 27 June 2024.

[3] Tyunina, Elena Yu.; Chekunova, Marina D. (1 November 2013). "Electrochemical properties of lithium hexafluoroarsenate in methyl acetate at various temperatures". Journal of Molecular Liquids. 187: 332–336. doi:10.1016/j.molliq.2013.08.019. ISSN 0167-7322. Retrieved 27 June 2024.

[4] Aifantis, Katerina E.; Kumar, R. V.; Hu, Pu (15 November 2022). Rechargeable Ion Batteries: Materials, Design, and Applications of Li-Ion Cells and Beyond. John Wiley & Sons. p. 194. ISBN 978-3-527-35018-6. Retrieved 27 June 2024.

[5] Energy Research Abstracts. Technical Information Center, U.S. Department of Energy. 1982. p. 98. Retrieved 27 June 2024.

[6] Haynes, William M. (9 June 2015). CRC Handbook of Chemistry and Physics, 96th Edition. CRC Press. p. 4-72. ISBN 978-1-4822-6097-7. Retrieved 27 June 2024.

[7] "Lithium hexafluoroarsenate(V)". Sigma Aldrich. Retrieved 27 June 2024.

[8] Srinivasan, Supramaniam (31 December 2006). Fuel Cells: From Fundamentals to Applications. Springer Science & Business Media. p. 165. ISBN 978-0-387-35402-6. Retrieved 27 June 2024.

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