[Molecular formula]: VOSO₄XH₂O
[Molecular weight]: 163.0
[English name]: Vanadyl Sulfate
[Characters]: orchid crystal. It dissolves in water. 

Item	Index
Content(dry basis)%	≥97.0
Loss on drying%	≤50
Pentavalent vanadium%	≤0.5
Unsettleable matters in ammonium hydroxide%	≤1.5