Zirconium oxide

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Cubic zirconia


Hard, dense, white powder that occurs in nature as the mineral Baddeleyite. Synthetic zirconia is used for high temperature insulation and abrasives. It has also been used as a paint Pigment, an Opacifier, and as a colorant to make White glass.

Synonyms and Related Terms

zirconia; zirconium dioxide, zirconium (IV) oxide; zircone (Fr.); oxyde de zirconium (Fr.); Zirkoniumdioxid (Deut.); Zirkonoxid (Deut.); oxeidio toy zirkonioy (Gr.); ossido di zirconio (It.); zirkoonoxide (Ned.); óxido de zircónio (Port.); zirconic anhydride; baddeleyite;



Chemical structure

Zirconium oxide.jpg

Other Properties

Slightly soluble in acids. Insoluble in water.

Composition ZrO2
CAS 1314-23-4
Melting Point 2680
Density 5.85
Molecular Weight mol. wt. = 123.22
Boiling Point 4300

Hazards and Safety

Fisher Scientific: MSDS


Properties of Common Abrasives

Sources Checked for Data in Record

  • The Merck Index, Susan Budavari (ed.), Merck Research Labs, Whitehouse Station, NJ, 12th Edition, 1996 Comment: entry 9985

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