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Ammonium tetrathiovanadate: Difference between revisions

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| EINECS = | EINECS =
| PubChem = | PubChem =
| StdInChI = | StdInChI = 1S/3H3N.4S.V/h3*1H3;;;;;/q;;;;3*-1;/p+3
| StdInChIKey = | StdInChIKey = SJFCDLDHOZFGTN-UHFFFAOYSA-Q
| SMILES = | SMILES = ...(=S)()
}} }}
| Section2 = {{Chembox Properties | Section2 = {{Chembox Properties
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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==
Ammonium tetrathiovanadate forms violet crystals of ].<ref>{{cite book |last1=Donnay |first1=Joseph Désiré Hubert |title=Crystal Data: Inorganic compounds |date=1973 |publisher=National Bureau of Standards |page=200 |url=https://www.google.ru/books/edition/Crystal_Data_Inorganic_compounds/5lVCBwmZsLYC?hl=en&gbpv=1&dq=Ammonium+tetrathiovanadate&pg=RA3-PA200&printsec=frontcover |access-date=24 December 2024 |language=en}}</ref> Ammonium tetrathiovanadate forms violet crystals of ].<ref>{{cite book |last1=Donnay |first1=Joseph Désiré Hubert |title=Crystal Data: Inorganic compounds |date=1973 |publisher=National Bureau of Standards |page=200 |url=https://books.google.com/books?id=5lVCBwmZsLYC&dq=Ammonium+tetrathiovanadate&pg=RA3-PA200 |access-date=24 December 2024 |language=en}}</ref>


==Chemical properties== ==Chemical properties==
Like other ammonium salts, ammonium tetrathiovanadate decomposes when heated. Its decomposition reaction goes as follows:<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}}

Latest revision as of 06:07, 26 December 2024

Ammonium tetrathiovanadate
Names
Other names Ammonium tetrathiovanadate(V)
Identifiers
CAS Number
3D model (JSmol)
InChI
  • InChI=1S/3H3N.4S.V/h3*1H3;;;;;/q;;;;3*-1;/p+3Key: SJFCDLDHOZFGTN-UHFFFAOYSA-Q
SMILES
  • ...(=S)()
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
Categories:
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