Physical state and appearance: Solid. (Solid crystalline powder.)
Odor: Odorless.
Taste: Not available.
Molecular Weight: 101.96 g/mole
Color: White.
pH (1% soln/water): Not applicable.
Boiling Point: 2980°C (5396°F)
Melting Point: 2072°C (3761.6°F)
Critical Temperature: Not available.
Specific Gravity: 4 (Water = 1)
Vapor Pressure: Not applicable.
Vapor Density: Not available.
Volatility: Not available.
Odor Threshold: Not available.
Water/Oil Dist. Coeff.: Not available.
Ionicity (in Water): Not available.
Dispersion Properties: Not available.
Solubility:
Very slightly soluble in cold water. Insoluble in hot water. Practically insoluble in non-polar organic solvents. Slowly soluble in
aqueous alkalie solution-forming hydroxides. Very slightly soluble in acid, alkali.