7782-40-3
| Name | DIAMOND NATURAL MONOCRYSTALLINE POWD& |
| CAS | 7782-40-3 |
| EINECS(EC#) | 231-953-2 |
| Molecular Formula | C |
| MDL Number | MFCD00211867 |
| Molecular Weight | 12.01 |
| MOL File | 7782-40-3.mol |
Chemical Properties
| Appearance | very hard crystals or light green powder |
| Melting point | 4440°C |
| Boiling point | 4827℃ [COT88] |
| bulk density | 0.2-0.7g/mL |
| density | 3.5 g/mL at 25 °C(lit.) |
| refractive index | nD20 2.4173 |
| solubility | insoluble in H2O |
| form | synthetic polycrystalline powder |
| color | Clear, Impurities (i.e. Nitrogen) and irradiation can change color to yellow, green, blue, pink, or brown. |
| Stability: | Stable. |
| Crystal Structure | Cubic, Diamond - Space Group Fd3m |
| Merck | 13,3007 |
| Cosmetics Ingredients Functions | ABRASIVE SKIN PROTECTING |
| Hardness, Knoop | 8000 |
| Hardness, Mohs | 10 |
| Knoop Microhardness | 58 - 88, GPa; (110),(111) faces 79, GPa 56 - 102, GPa; (001) face |
| Modulus of Elasticity | 700 - 1200 GPa |
| Poissons Ratio | 0.10 - 0.29 |
| Vickers Microhardness | 98, in GPa; (111) face 88 - 147, in GPa; (001) face |
