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Zirconium(IV) sulfate

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Zirconium(IV) sulfate
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Other names
zirconium disulfate
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14644-61-2 7pxY
111378-69-9 7pxN
7446-31-3 (tetrahydrate) 7pxN
PubChem Template:Chembox PubChem/format
RTECS number ZH9100000
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Zr(SO4)2(H2O)x ( x = 0, 4, 5, 7)
Molar mass 285.35 g/mol (anhydrous)
355.41 g/mol (tetrahydrate)
Appearance white solids
Density 3.22 g/cm3 (anhydrous)
52.5 g/100 mL (tetrahydrate)
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Crystal structure orthorhombic
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EU Index Not listed
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
 14pxN verify (what is10pxY/10pxN?)
Infobox references

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, 7. These species are related by the degree of hydration. They are white or colourless solids that 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 known.

These compounds adopt complex structures featuring 7- and 8-coordinated Zr centres. Both water and sulfate serve as ligands.[1][2]

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

  1. ^ Bear, Isabel J.; Mumme, W. G. "Crystal chemistry of zirconium sulfate. III. Structure of the β-pentahydrate, Zr2(SO4)4(H2O)8.2H2O, and the interrelationship of the four higher hydrates" Acta Cryst. 1969. B25, 1572-1581. doi:10.1107/S0567740869004341
  2. ^ Squattrito, Philip J.; Rudolf, Philip R.; Clearfield, Abraham "Crystal structure of a complex basic zirconium sulfate" Inorganic Chemistry 1987, vol. 26, 4240-4.doi:10.1021/ic00272a020