Chemistry:Ammonium hexafluorovanadate
From HandWiki
| Names | |
|---|---|
| IUPAC name
Ammonium hexafluorovanadate
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| Other names
Ammonium hexafluorovanadate(III), triammonium vanadium hexafluoride, triammonium hexafluorovanadate(3-)
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| Identifiers | |
3D model (JSmol)
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| ChemSpider | |
PubChem CID
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| Properties | |
| F6H12N3V | |
| Molar mass | 219.049 g·mol−1 |
| Appearance | Powder |
| Density | g/cm3 |
| Melting point | 300 |
| Hazards | |
| GHS pictograms | 
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| GHS Signal word | Danger |
| 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 (NH
4)
3VF
6.[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(NH
4)
3VF
6 + 11O
2 → 2V
2O
5 + 6N
2 + 12H
2O + 24HF
- 4(NH
Uses
Ammonium hexafluorovanadate is typically used as a catalyst at temperatures below 400 °C.
References
- ↑ "Ammonium Hexafluorovanadate(III)" (in en). American Elements. https://www.americanelements.com/ammonium-hexafluorovanadate-iii-13815-31-1.
- ↑ "AMMONIUM HEXAFLUOROVANADATE(III) 99.99%". chemicalbook.com. https://www.chemicalbook.com/ChemicalProductProperty_EN_CB3498606.htm?N=Global.
- ↑ Lewis (Sr.), Richard J.; Sweet, Doris V. (1986) (in en). 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. https://books.google.com/books?id=-OpF5vX4VbgC&dq=ammonium+hexafluoro+vanadate&pg=PA205. Retrieved 23 August 2024.
- ↑ Booth, Harold Simmons (1963) (in en). Inorganic Syntheses. London. p. 88. https://books.google.com/books?id=mtvRAAAAMAAJ&q=ammonium+hexafluoro+vanadate. Retrieved 23 August 2024.
- ↑ 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. https://www.tandfonline.com/doi/abs/10.1080/15533179108016842. Retrieved 29 August 2024.
- ↑ "Ammonium hexafluorovanadate(III) (CAS 13815-31-1)". scbt.com. https://www.scbt.com/p/ammonium-hexafluorovanadate-iii-13815-31-1?srsltid=AfmBOoqKTB595n7nlVFOpO4ADnRtTy8XD85y9W0jX0qwDRwemgJGNhpe.
- ↑ Kleinberg, Jacob (22 September 2009) (in en). Inorganic Syntheses, Volume 7. John Wiley & Sons. p. 90. ISBN 978-0-470-13270-8. https://books.google.com/books?id=_MlO2NrHPHwC&dq=ammonium+hexafluoro+vanadate&pg=PA89. Retrieved 23 August 2024.
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