Zirconium Dioxide
ALTERNATIVE NAMES
Zirconia
TECHNICAL SPECIFICATIONS
CAS
1314-23-4
EC
215-227-2
Food Code
Zirconium dioxide, or zirconia, is a white powder with formula ZrO2 and molecular weight 123.22 g/mol. Density 5.68 g/cm³, melting point 2715°C, boiling point 4300°C, insoluble in water, soluble in acids; high refractive index 2.13, used in ceramics.
Zirconium Dioxide
Used in ceramics for dental crowns; abrasives for polishing; catalysts in chemistry; jewelry for gems; electronics for insulators; in medical implants.
Low toxicity; dust irritates lungs causing fibrosis. Non-flammable; avoid inhalation. Stable; use PPE, ventilate; monitor for chronic exposure.
Packaged in 25kg bags or drums; store in dry areas per Sigma-Aldrich SDS.
