thorium dicarbide Property

Melting point:

2630–2680℃ [HAW93]

Boiling point:

-5000℃ [HAW93]

Density 

9.000

solubility 

reacts with H2O

form 

yellow monoclinic crystals

color 

yellow monoclinic crystals, crystalline

Resistivity

30.0 (ρ/μΩ.cm)

Water Solubility 

decomposed in H2O, with evolution of ethane [KIR83]

Crystal Structure

Tetragonal

EPA Substance Registry System

Thorium carbide (ThC2) (12071-31-7)

Hazard and Precautionary Statements (GHS)

thorium dicarbide Chemical Properties,Usage,Production

Chemical Properties

yellow solid; α form: monoclinic, a=1.0555 nm, b=0.8233 nm, c=0.4201nm; β form: tetr; γ form: cub, a=0.5808 nm; decomposed by water; formed by heating ThO2 and excess carbon; used as a nuclear fuel [HAW93] [CIC73] [KIR83]

Physical properties

α?β transition at 1427°C and β?γ at 1497°C. Decomposed by H₂ O with evolution of C₂ H_6.