Alphabetical Index
Browse by Elements
Keyword Search
ASTM Electrolytes
Macro Etchants
Micro Etchants
Named Etchants
New Etchants
Al and Al Alloys
Cu and Cu Alloys
Fe and Fe Alloys
Ni and Ni Alloys
Carbide Etchants
Fluoride Etchants
Nitride Etchants
Other Etchants
Oxide Etchants
Phosphide Etchants
Single Crystal Etchants
Thin Film Etchants
Wafer Etchants
Help
Home
Thorium Dioxide - ThO2
Classification: Oxide
Atomic numbers: 90 & 8
Atomic weight: 264
Melting point (C): 1845
Boiling point (C): 3220
Density (g/cm3): 9.5-9.9
Refractive index (n=): 2.20
Hardness (Mosh-scratch): 7
Crystal structure: Isometric-normal: (100) cube
Color (solid): White
Cleavage: Cubic: (001)