Ammonium hexafluorovanadate

Ammonium hexafluorovanadate

Names
IUPAC name Ammonium hexafluorovanadate
Other names Ammonium hexafluorovanadate(III), triammonium vanadium hexafluoride, triammonium hexafluorovanadate(3-)
Identifiers
CAS Number	13815-31-1
3D model (JSmol)	Interactive image
ChemSpider	19995865
PubChem CID	129647085
InChI InChI=1S/6FH.3 H3N.V/h6*1H;3*1 H3;/p-3 Key: PURSFTZXXIKJST-UHFFFAOYSA-K
SMILES [F-].[F-].[F-].[F-].[F-] .[F-].[V].[NH4+].[NH 4+].[NH4+]
Properties
Chemical formula	F6H12N3V
Molar mass	219.049 g·mol−1
Appearance	Powder
Density	g/cm3
Melting point	300
Hazards
GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H301, H311, H319, H331
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Ammonium hexafluorovanadate is an inorganic chemical compound with the chemical formula (NH₄)₃VF₆. ^{[1] [2] [3]}

Synthesis

The compound can be prepared by a fusion of ammonium hydrogen fluoride and vanadium trioxide. ^[4]

Also, a reaction of vanadium trioxide and ammonium bifluoride can produce the compound. ^[5]

Physical properties

Ammonium hexafluorovanadate forms powder. It is toxic. ^[6]

Chemical properties

The compound decomposes to vanadium pentoxide if heated in open air: ^[7]

4(NH₄)₃VF₆ + 11O₂ → 2V₂O₅ + 6N₂ + 12H₂O + 24HF

Uses

Ammonium hexafluorovanadate is typically used as a catalyst at temperatures below 400 °C.

References

1. "Ammonium Hexafluorovanadate(III)". American Elements . Retrieved 23 August 2024.
2. "AMMONIUM HEXAFLUOROVANADATE(III) 99.99%". chemicalbook.com. Retrieved 23 August 2024.
3. Lewis (Sr.), Richard J.; Sweet, Doris V. (1986). Regulations, Recommendations, and Assessments Extracted from RTECS: A Subfile of the Registry of Toxic Effcts of Chemical Substances. U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control, National Institute for Occupational Safety and Health. p. 205. Retrieved 23 August 2024.
4. Booth, Harold Simmons (1963). Inorganic Syntheses. London. p. 88. Retrieved 23 August 2024.
5. Wani, B. N.; Rao, U. R. K. (May 1991). "Fluorination of Vanadium Oxides" . Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry. 21 (5): 779–791. doi:10.1080/15533179108016842 . Retrieved 29 August 2024.
6. "Ammonium hexafluorovanadate(III) (CAS 13815-31-1)". scbt.com . Retrieved 23 August 2024.
7. Kleinberg, Jacob (22 September 2009). Inorganic Syntheses, Volume 7. John Wiley & Sons. p. 90. ISBN   978-0-470-13270-8 . Retrieved 23 August 2024.