Vanadyl sulfate
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| Vanadium(IV) sulfate | |
|---|---|
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| IUPAC name | Vanadyl(IV) sulfate monhydrate |
| Other names | Basic vanadium(IV) sulfate monohydrate,
vanadium(IV) oxide sulfate monohydrate; vanadium(IV) sulfate monohydrate; vanadium(IV) oxysulfate monohydrate |
| Identifiers | |
| CAS number | [27774-13-6] |
| Properties | |
| Molecular formula | VOSO4.H2O |
| Molar mass | 181.0252 g/mol |
| Appearance | Blue crystalline solid |
| Melting point |
105°C |
| Boiling point |
decomposes |
| Solubility in water | Soluble |
| Hazards | |
| Main hazards | toxic; skin, eye and respiratory irritant |
| R-phrases | R20 R22 R36 R37 R38 |
| S-phrases | S9 S26 S36 |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references |
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Vanadyl(IV) sulfate, VOSO4, is a blue crystalline solid that is normally stable in room conditions. It is a moderately strong reducing agent, being oxidized in acidic solution to the vanadyl(V) ion and in alkaline solutions to the vanadate ion, both of which are yellow-orange in colour. It is reduced by zinc amalgam to a mixture of green vanadium(III) and purple vanadium(II) ions. It is also used in conjunction with chromium picolinate in a sugar blocker. Here it is said to improve blood sugar levels, and thereby increase energy, although these statements have not been evaluated by the FDA.
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