Zirconium(IV) hydroxide

Zirconium (IV) hydroxide, often called hydrous zirconia is an ill-defined material or family of materials variously described as and . All are white solids with low solubility in water. These materials are widely employed in the preparation of solid acid catalysts.[1][2]

Zirconium(IV) hydroxide
3D model (JSmol)
ECHA InfoCard 100.034.959 Edit this at Wikidata
Molar mass 159.253 g/mol
Appearance white filter cake
Density 3.25 g/cm3, solid
Melting point 550 °C (1,022 °F; 823 K) decomposes
0.02 g/100 mL (20 °C)
not listed
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

These materials are generated by mild base hydrolysis of zirconium halides and nitrates. A typical precursor is zirconium oxychloride.[1]


  1. ^ a b Chen, Fang Ren; Coudurier, Gisele; Joly, Jean Francois; Vedrine, Jacques C. (1993). "Superacid and catalytic properties of sulfated zirconia". Journal of Catalysis. 143 (2): 616–26. doi:10.1006/jcat.1993.1304.
  2. ^ "Zirconium Hydroxide". Product Identification. ChemicalLAND21.com. Retrieved 2007-10-25.

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