Zirconium(IV) sulfate
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| Template:Longitem | Zr(SO4)2(H2O)x ( x = 0, 4, 5, 7) |
| Molar mass | 285.35 g/mol (anhydrous) 355.40 g/mol (tetrahydrate) |
| Appearance | White solids |
| Density | 3.22 g/cm3 (anhydrous) 2.85 g/cm3 (tetrahydrate) |
| Template:Longitem | 1.646 |
| Template:Longitem | orthorhombic |
| Template:Longitem | Titanium sulfate; Hafnium sulfate |
| Template:Longitem | Zirconyl sulfate |
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Zirconium(IV) sulfate is the name for a family of inorganic compounds with the formula Zr(SO4)2(H2O)n where n = 0, 4, 5, or 7. These species are related by the degree of hydration. At least some members of the series contain oxo ligands since zirconyl (ZrO2+) is pervasive. These compounds are white or colorless solids that often are soluble in water.
Preparation and structure
Zirconium sulfate is prepared by the action of sulfuric acid on zirconium oxide:
- ZrO2 + 2 H2SO4 + H2O → Zr(SO4)2(H2O)x
The anhydrous sulfate is also claimed.[2]
These compounds adopt complex structures featuring 7- and 8-coordinated Zr centres. Both water and sulfate serve as ligands.[3][4]
Uses
Zirconium sulfate is used in tanning white leather, as a catalyst support, to precipitate proteins and amino acids, and as a pigment stabilizer.
References
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