Names
IUPAC namesZirconium dioxide
Zirconium(IV) oxide
Other names
Zirconia
Identifiers
CAS Number: 1314-23-4
ECHA InfoCard: 100.013.844
EC Number: 215-227-2
PubChem: 62395
Properties
Chemical formula:
Molar mass: 123.218 g/mol
Appearance: white powder
Density: 5.68 g/cm
Melting point: 2,715 °C (4,919 °F; 2,988 K)
Boiling point: 4,300 °C (7,770 °F; 4,570 K)
Solubility in water: negligible
Solubility: HF
Refractive index: 2.13
Thermochemistry
Std molar
entropy: 50.3 J K mol−1−1
Std enthalpy of
formation: –1080 kJ/mol
Hazards
Safety data sheet: MSDS
GHS pictograms:
GHS signal word: Warning
GHS hazard statements: H315 H319 H335
GHS precautionary statements: P261 P264 P271 P280 P302+352 P304+340 P305+351+338 P312 P321 P332+313 P337+313 P362 P403+233 P405 P501
Flash point: Non-flammable
LD
median dose: > 8.8 g/kg (oral, rat)
Related compounds
anions: Zirconium disulfide
cations: Titanium dioxide
Except where otherwise noted, data are given for materials in their(at 25 °C [77 °F], 100 kPa).Except where otherwise noted, data are given for materials in their(at 25 °C [77 °F], 100 kPa).
Infobox references