Zirconium Dioxide
Zirconia
- CAS
- 1314-23-4
- EC
- 215-227-2
- Sectors
- Pharma & Healthcare, Building & Construction, Electronics & Solar PV
Zirconium Dioxide (CAS 1314-23-4), also known as zirconia, is an inorganic zirconium oxide supplied as a white powder and used in ceramics, abrasives for polishing, catalysts, jewelry, electronics insulation and medical implants. 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.
Typical Properties
| Molecular formula | O2Zr |
|---|---|
| Molecular weight | 123.22 g/mol |
| Appearance | white powder |
| Form | powder |
| Color | White |
| Melting point | 2680 °C |
| Boiling point | 4727 °C |
| Density | 5.68 g/cm³ (solid) (particles) |
| Water solubility | insoluble |
| Flash point | 5000°C |
| pH | 4-5 |
| HS code | 28256000 |
| Grades available | Technical Grade |
Typical literature values for identification; lot-specific results are stated on the certificate of analysis (COA) and the safety data sheet (SDS) that accompany every delivery.
Zirconium Dioxide
Applications
Used in ceramics for dental crowns; abrasives for polishing; catalysts in chemistry; jewelry for gems; electronics for insulators; in medical implants.
Safety & Risks
Low toxicity; dust irritates lungs causing fibrosis. Non-flammable; avoid inhalation. Stable; use PPE, ventilate; monitor for chronic exposure.
Packaging
Packaged in 25kg bags or drums; store in dry are.