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==Chemical properties== ==Chemical properties==
Like other ammonium salts, ammonium tetrathiovanadate decomposes when heated:<ref>{{cite journal |last1=Prasad |first1=T. P. |last2=Müller |first2=A. |title=Thermal decompositions of (NH4)2WSe4 and (NH4)3VS4 under normal and reduced nitrogen pressures |journal=Journal of Thermal Analysis |date=December 1976 |volume=10 |issue=3 |pages=369–373 |doi=10.1007/BF01909888 |access-date=24 December 2024|url=https://link.springer.com/article/10.1007/BF01909888}}</ref> Like other ammonium salts, ammonium tetrathiovanadate decomposes when heated:<ref>{{cite journal |last1=Prasad |first1=T. P. |last2=Müller |first2=A. |title=Thermal decompositions of (NH4)2WSe4 and (NH4)3VS4 under normal and reduced nitrogen pressures |journal=] |date=December 1976 |volume=10 |issue=3 |pages=369–373 |doi=10.1007/BF01909888 |access-date=24 December 2024|url=https://link.springer.com/article/10.1007/BF01909888}}</ref>
::{{chem2|(NH4)3VS4 -> 6NH3↑ + 3H2S↑ + V2S5}} ::{{chem2|(NH4)3VS4 -> 6NH3↑ + 3H2S↑ + V2S5}}
::{{chem2|V2S5 -> V2S3 + 2S}} ::{{chem2|V2S5 -> V2S3 + 2S}}

Revision as of 14:30, 24 December 2024

Ammonium tetrathiovanadate
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
Chemical compound

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:

(NH4)3VS4 → 6NH3↑ + 3H2S↑ + V2S5
V2S5 → V2S3 + 2S

References

  1. "CAS 14693-56-2 Ammonium tetrathiovanadate(v),99 - Alfa Chemistry". alfa-chemistry.com. Retrieved 24 December 2024.
  2. 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.
  3. Donnay, Joseph Désiré Hubert (1973). Crystal Data: Inorganic compounds. National Bureau of Standards. p. 200. Retrieved 24 December 2024.
  4. 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 and Calorimetry. 10 (3): 369–373. doi:10.1007/BF01909888. Retrieved 24 December 2024.
Ammonium salts
Inorganic salts
monatomic anions
oxyanions
other anions
Organic salts
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