| Denomination | Properties |
| Appearance | Black solid |
| Molecular weight | 12.01 |
| Weight | 0.77 mg/m2 |
| tensile strength | over 1 Tpa |
| Melting point | 3652˚C - 3697˚C (sublimes) |
| Boiling point | 4200˚C |
| Density | 2.267 g/cm3 |
| Electronegativity | 2.55 Paulings |
| Heat fusion | 117 kJ/mol |
| Heat vaporization | 128 K-Cal/gm atom at 4612˚C |
| Thermal conductivity | 3000 - 4000 W∙m−1∙K−1 |
| Flexibility | 20% of its initial size without breaking it |
| Optical | 2.3% of white light |