Thorium Dicarbide
| Compound | Thorium Dicarbide |
| Synonyms | |
| Formula | ThC2 |
| Molecular Formula | C2Th |
| Molecular Weight | 256.060 |
| CAS RN: | 12071-31-7 |
| Properties | yellow solid; α form: monocl, a=1.0555 nm, b=0.8233 nm, c=0.4201 nm; β form:tetr; γ form: cub, a=0.5808 nm; decomposed by water; forms by heating ThO2 and excess carbon; used as a nuclear fuel [HAW93] [CI73] [KIR83] |
| Solubility | decomposed in H2O, with evolution of ethane [KIR83] |
| Density, g/cm³: | 8.96 (18°C) [HAW93] |
| Melting point, °C | 2630-2680 [HAW93] |
| Boiling point, °C | ~5000 [HAW93] |
| Reactions: | α to β transition at 1427°C, β to γ at 1497°C [CIC73] |