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Vanadium(III) sulfate

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Vanadium(III) sulfate
Names
IUPAC name Vanadium(III) sulfate
Other names Vanadium trisulfate
Divanadium trisulfate
Identifiers
CAS Number
ChemSpider
ECHA InfoCard 100.033.827 Edit this at Wikidata
EC Number
  • 237-226-6
PubChem CID
UNII
CompTox Dashboard (EPA)
Properties
Chemical formula V2(SO4)3
Molar mass 390.074 g/mol
Appearance Yellow powder
Melting point 400 °C (752 °F; 673 K) Decomposes
Solubility in water Slightly soluble
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references
Chemical compound

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 .

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

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

  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. Claunch, Robert T.; Jones, Mark M.; Wolsey, Wayne C. (1963). "Vanadium(III) Sulfate". Inorganic Syntheses. Vol. 7. pp. 92–94. doi:10.1002/9780470132388.ch28. ISBN 978-0-470-13166-4.
Vanadium compounds
Vanadium(0)
Vanadium(II)
Vanadium(III)
Organovanadium(III) compounds
  • V(C9H11)3
    • Vanadium(IV)
    Organovanadium(IV) compounds
  • VO(C5H7O2)2
    • Vanadyl(IV) compounds
    Vanadium(V)
    Vanadyl(V) compounds
    Compounds containing the sulfate group (SO2−4)
    H2SO4 He
    Li2SO4 BeSO4 B2S2O9
    -BO3
    +BO3     		esters
    ROSO−3
    (RO)2SO2
    +CO3
    +C2O4     		(NH4)2SO4
    [N2H5]HSO4
    (NH3OH)2SO4
    NOHSO4
    +NO3     		H2OSO4 +F Ne
    Na2SO4
    NaHSO4     		MgSO4 Al2(SO4)3
    Al2SO4(OAc)4     		Si +PO4 SO2−4
    HSO3HSO4
    (HSO4)2
    +SO3     		+Cl Ar
    K2SO4
    KHSO4     		CaSO4 Sc2(SO4)3 TiOSO4 VSO4
    V2(SO4)3
    VOSO4     		CrSO4
    Cr2(SO4)3     		MnSO4 FeSO4
    Fe2(SO4)3     		CoSO4
    Co2(SO4)3     		NiSO4
    Ni2(SO4)3     		CuSO4
    Cu2SO4
    SO4     		ZnSO4 Ga2(SO4)3 Ge(SO4)2 As +SeO3 +Br Kr
    RbHSO4
    Rb2SO4     		SrSO4 Y2(SO4)3 Zr(SO4)2 Nb2O2(SO4)3 MoO(SO4)2
    MoO2(SO4)     		Tc Ru(SO4)2 Rh2(SO4)3 PdSO4 Ag2SO4
    AgSO4     		CdSO4 In2(SO4)3 SnSO4
    Sn(SO4)2     		Sb2(SO4)3 TeOSO4 I2(SO4)3
    (IO)2SO4
    +IO3     		Xe
    Cs2SO4
    CsHSO4     		BaSO4 * Lu2(SO4)3 Hf(SO4)2 Ta WO(SO4)2 Re2O5(SO4)2 OsSO4
    Os2(SO4)3
    Os(SO4)2     		IrSO4
    Ir2(SO4)3     		Pt2(SO4)5 AuSO4
    Au2(SO4)3     		Hg2SO4
    HgSO4     		Tl2SO4
    Tl2(SO4)3     		PbSO4
    Pb(SO4)2     		Bi2(SO4)3 PoSO4
    Po(SO4)2     		At Rn
    Fr RaSO4 ** Lr Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og
     
    * La2(SO4)3 Ce2(SO4)3
    Ce(SO4)2     		Pr2(SO4)3 Nd2(SO4)3 Pm2(SO4)3 Sm2(SO4)3 EuSO4
    Eu2(SO4)3     		Gd2(SO4)3 Tb2(SO4)3 Dy2(SO4)3 Ho2(SO4)3 Er2(SO4)3 Tm2(SO4)3 Yb2(SO4)3
    ** Ac2(SO4)3 Th(SO4)2 Pa U2(SO4)3
    U(SO4)2
    UO2SO4     		Np(SO4)2 Pu(SO4)2 Am2(SO4)3 Cm2(SO4)3 Bk Cf2(SO4)3 Es Fm Md No


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