Zirconium oxide

Jump to navigation Jump to search
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


  • Fisher Scientific: MSDS

Physical and Chemical Properties

Slightly soluble in acids. Insoluble in water.

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


Properties of Common Abrasives

Resources and Citations

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