Vanadium(III) sulfate

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Vanadium(III) sulfate[1]
Names
IUPAC name
Vanadium(III) sulfate
Other names
Vanadium trisulfate
Divanadium trisulfate
Identifiers
ChemSpider
ECHA InfoCard 100.033.827
EC Number 237-226-6
Properties
V2(SO4)3
Molar mass 390.074 g/mol
Appearance yellow powder
Melting point 400 °C (752 °F; 673 K) decomposes
slightly soluble
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Vanadium(III) sulfate is the inorganic compound with the formula V2(SO4)3. It is a pale yellow solid that is stable to air, in contrast to most vanadium(III) compounds. It slowly dissolves in water to give the green aquo complex [V(H2O)6]3+.

The compound is prepared by treating V2O5 in sulfuric acid with elemental sulfur:[2]

V2O5 + S + 3 H2SO4 → V2(SO4)3 + SO2 + 3 H2O

This transformation is a rare example of a reduction by elemental sulfur.

When heated in vacuum at or slightly below 410 °C, it decomposes into vanadyl sulfate (VOSO4) and SO2. Vanadium(III) sulfate is stable in dry air but upon exposure to moist air for several weeks forms a green hydrate form.

Vanadium(III) sulfate is a reducing agent.

References[edit]

  1. ^ Lide, David R. (1998), Handbook of Chemistry and Physics (87 ed.), Boca Raton, FL: CRC Press, pp. 4–93, ISBN 0-8493-0594-2 
  2. ^ Robert T. Claunch, Mark M. Jones "Vanadium(III) Sulfate" Inorganic Syntheses, 1963, Volume 7, pages 92–94. doi:10.1002/9780470132388.ch28
Salts and esters of the sulfate ion
H2SO4 He
Li2SO4 BeSO4 B esters
ROSO3
(RO)2SO2
(NH4)2SO4
[N2H5]HSO4
(NH3OH)2SO4
NOHSO4
HOSO4 F Ne
Na2SO4
NaHSO4
MgSO4 Al2(SO4)3
Al2SO4(OAc)4
Si P SO42−
HSO3HSO4
(HSO4)2
Cl Ar
K2SO4
KHSO4
CaSO4 Sc2(SO4)3 Ti(SO4)2
TiOSO4
VSO4
V2(SO4)3
VOSO4
CrSO4
Cr2(SO4)3
MnSO4
Mn2(SO4)3
FeSO4
Fe2(SO4)3
CoSO4
Co2(SO4)3
NiSO4 CuSO4
Cu2SO4
[Cu(NH3)4(H2O)]SO4
ZnSO4 Ga2(SO4)3 Ge As Se Br Kr
RbHSO4
Rb2SO4
SrSO4 Y2(SO4)3 Zr(SO4)2 Nb Mo Tc Ru Rh PdSO4 Ag2SO4 CdSO4 In2(SO4)3 SnSO4 Sb2(SO4)3 Te I Xe
Cs2SO4 BaSO4   Hf Ta W Re Os Ir Pt Au Hg2SO4
HgSO4
Tl2SO4
Tl2(SO4)3
PbSO4 Bi2(SO4)3 Po At Rn
Fr Ra   Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og
La Ce2(SO4)3
Ce(SO4)2
Pr2(SO4)3 Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb2(SO4)3 Lu
Ac Th Pa U(SO4)2
UO2SO4
Np Pu Am Cm Bk Cf Es Fm Md No Lr