1307-99-9
1307-99-9 structure
- Name: Cobalt(II) Selenide
- Chemical Name: Cobalt(II) Selenide
- CAS Number: 1307-99-9
- Molecular Formula: CoSe
- Molecular Weight: 137.90
- Catalog: Inorganic chemical industry Inorganic salt Chalcogenide
- Create Date: 2018-04-01 08:00:00
- Modify Date: 2026-07-12 23:22:55
| Name | Cobalt(II) Selenide |
|---|---|
| Synonyms |
EINECS 215-155-1
MFCD00016020 selanylidenecobalt |
| Density | 7.65 g/mL at 25 °C(lit.) |
|---|---|
| Melting Point | 1055°C |
| Molecular Formula | CoSe |
| Molecular Weight | 137.90 |
| Exact Mass | 138.84972 |
| Appearance | pieces |
| Water Solubility | Soluble in HNO{3}, aqua regia | soluble HNO3, aqua regia; insoluble alkali [KIR79] |
| Hazard Codes | T: Toxic;N: Dangerous for the environment; |
|---|---|
| Risk Phrases | 23/25-33-50/53 |
| Safety Phrases | 20/21-28-45-60-61 |
| RIDADR | UN 3283 6.1/PG 3 |
| WGK Germany | 3 |
| Packaging Group | III |
| Hazard Class | 6.1 |