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7440-56-4
bosschemical
7440-56-4
| Germanium Basic information | |
| Product Name: | Germanium |
| CAS: | 7440-56-4 |
| MF: | Ge |
| MW: | 72.64 |
| EINECS: | 231-164-3 |
| Mol File: | 7440-56-4.mol |
| Germanium Chemical Properties | |
| Melting point | 937 °C (lit.) |
| Boiling point | 2830 °C (lit.) |
| density | 5.35 g/mL at 25 °C (lit.) |
| vapor pressure | 0Pa at 25℃ |
| storage temp. | Flammables area |
| form | powder |
| Specific Gravity | 5.35 |
| color | Silver |
| resistivity | 53000 μΩ-cm, 20°C |
| Water Solubility | insoluble H2O, HCl, dilute alkali hydroxides; attacked by aqua regia [MER06] |
| Crystal Structure | Cubic, Diamond Structure - Space Group Fd3m |
| Merck | 134,419 |
| Exposure limits | ACGIH: TWA 0.5 ppm(2.5 mg/m3); Ceiling 2 ppm (Skin) |
| OSHA: TWA 3 ppm | |
| NIOSH: IDLH 30 ppm(250 mg/m3); TWA 3 ppm(2.5 mg/m3); Ceiling 6 ppm(5 mg/m3) | |
| Stability: | Stable. Slightly soluble in strong acids. Incompatible with strong oxidizing agents. |
| LogP | 4.14 at 20℃ |
| CAS DataBase Reference | 7440-56-4(CAS DataBase Reference) |
| NIST Chemistry Reference | Germanium(7440-56-4) |
| EPA Substance Registry System | Germanium (7440-56-4) |
| Germanium Basic information | |
| Product Name: | Germanium |
| CAS: | 7440-56-4 |
| MF: | Ge |
| MW: | 72.64 |
| EINECS: | 231-164-3 |
| Mol File: | 7440-56-4.mol |
| Germanium Chemical Properties | |
| Melting point | 937 °C (lit.) |
| Boiling point | 2830 °C (lit.) |
| density | 5.35 g/mL at 25 °C (lit.) |
| vapor pressure | 0Pa at 25℃ |
| storage temp. | Flammables area |
| form | powder |
| Specific Gravity | 5.35 |
| color | Silver |
| resistivity | 53000 μΩ-cm, 20°C |
| Water Solubility | insoluble H2O, HCl, dilute alkali hydroxides; attacked by aqua regia [MER06] |
| Crystal Structure | Cubic, Diamond Structure - Space Group Fd3m |
| Merck | 134,419 |
| Exposure limits | ACGIH: TWA 0.5 ppm(2.5 mg/m3); Ceiling 2 ppm (Skin) |
| OSHA: TWA 3 ppm | |
| NIOSH: IDLH 30 ppm(250 mg/m3); TWA 3 ppm(2.5 mg/m3); Ceiling 6 ppm(5 mg/m3) | |
| Stability: | Stable. Slightly soluble in strong acids. Incompatible with strong oxidizing agents. |
| LogP | 4.14 at 20℃ |
| CAS DataBase Reference | 7440-56-4(CAS DataBase Reference) |
| NIST Chemistry Reference | Germanium(7440-56-4) |
| EPA Substance Registry System | Germanium (7440-56-4) |
