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| '''Ammonium tetrathiovanadate''' is a ] with the chemical formula {{chem2|(NH4)3VS4}}.<ref>{{cite web |title=CAS 14693-56-2 Ammonium tetrathiovanadate(v),99 - Alfa Chemistry |url=https://www.alfa-chemistry.com/ammonium-tetrathiovanadate-v-99-cas-14693-56-2-item-290328.htm |publisher=alfa-chemistry.com |access-date=24 December 2024}}</ref> | '''Ammonium tetrathiovanadate''' is a ] with the chemical formula {{chem2|(NH4)3VS4}}.<ref>{{cite web |title=CAS 14693-56-2 Ammonium tetrathiovanadate(v),99 - Alfa Chemistry |url=https://www.alfa-chemistry.com/ammonium-tetrathiovanadate-v-99-cas-14693-56-2-item-290328.htm |publisher=alfa-chemistry.com |access-date=24 December 2024}}</ref><ref>{{cite journal |last1=Scott |first1=C. E. |last2=Embaid |first2=B. P. |last3=Gonzalez-Jimenez |first3=F. |last4=Hubaut |first4=R. |last5=Grimblot |first5=J. |title=Behavior of Iron–Vanadium Sulfide Catalysts for Hydrotreating Reactions |journal=] |date=1 March 1997 |volume=166 |issue=2 |pages=333–339 |doi=10.1006/jcat.1997.1526 |url=https://www.sciencedirect.com/science/article/abs/pii/S0021951797915268 |access-date=24 December 2024 |issn=0021-9517}}</ref> | ||
| ==Synthesis== | |||
| ==Physical properties== | ==Physical properties== | ||
Revision as of 12:54, 24 December 2024
| Names | |
|---|---|
| Other names Ammonium tetrathiovanadate(V) | |
| Identifiers | |
| CAS Number | |
| Properties | |
| Chemical formula | H12N3S4V |
| Molar mass | 233.30 g·mol |
| Appearance | violet crystals |
| Density | g/cm |
| Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references | |
Ammonium tetrathiovanadate is a chemical compound with the chemical formula (NH4)3VS4.
Physical properties
Ammonium tetrathiovanadate forms violet crystals of orthorhombic symmetry.
Chemical properties
Like other ammonium salts, ammonium tetrathiovanadate decomposes when heated. Its decomposition reaction goes as follows:
- (NH4)3VS4 → 6NH3↑ + 3H2S↑ + V2S5
- V2S5 → V2S3 + 2S
References
- "CAS 14693-56-2 Ammonium tetrathiovanadate(v),99 - Alfa Chemistry". alfa-chemistry.com. Retrieved 24 December 2024.
- Scott, C. E.; Embaid, B. P.; Gonzalez-Jimenez, F.; Hubaut, R.; Grimblot, J. (1 March 1997). "Behavior of Iron–Vanadium Sulfide Catalysts for Hydrotreating Reactions". Journal of Catalysis. 166 (2): 333–339. doi:10.1006/jcat.1997.1526. ISSN 0021-9517. Retrieved 24 December 2024.
- Donnay, Joseph Désiré Hubert (1973). Crystal Data: Inorganic compounds. National Bureau of Standards. p. 200. Retrieved 24 December 2024.
- Prasad, T. P.; Müller, A. (December 1976). "Thermal decompositions of (NH4)2WSe4 and (NH4)3VS4 under normal and reduced nitrogen pressures". Journal of Thermal Analysis. 10 (3): 369–373. doi:10.1007/BF01909888. Retrieved 24 December 2024.