1307-99-9
cobalt(ii) selenide
CAS: 1307-99-9
Molecular Formula: CoSe
1307-99-9 - Names and Identifiers
| Name | cobalt(ii) selenide |
| Synonyms | selenoxocobalt COBALT SELENIDE Cobalt selenide selanylidenecobalt cobalt(ii) selenide COBALT(II) SELENIDE COBALT SELENIDE COSE Cobalt selenide (CoSe) COBALT(II) SELENIDE 6MM PIECES Cobalt(II)selenide(metalsbasis) |
| CAS | 1307-99-9 |
| EINECS | 215-155-1 |
| InChI | InChI=1/Co.Se/rCoSe/c1-2 |
1307-99-9 - Physico-chemical Properties
| Molecular Formula | CoSe |
| Molar Mass | 137.89 |
| Density | 7.65g/mLat 25°C(lit.) |
| Melting Point | 1055°C |
| Water Solubility | soluble HNO3, aqua regia; insoluble alkali [KIR79] |
| Solubility | Soluble in HNO{3}, aqua regia |
| Appearance | pieces |
| Exposure Limit | ACGIH: TWA 0.2 mg/m3; TWA 0.02 mg/m3NIOSH: IDLH 1 mg/m3; TWA 0.2 mg/m3 |
1307-99-9 - Risk and Safety
| Risk Codes | R23/25 - Toxic by inhalation and if swallowed. R33 - Danger of cumulative effects R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | S20/21 - S28 - After contact with skin, wash immediately with plenty of soap-suds. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S60 - This material and its container must be disposed of as hazardous waste. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| UN IDs | UN 3283 6.1/PG 3 |
| WGK Germany | 3 |
| TSCA | Yes |
| Hazard Class | 6.1 |
| Packing Group | III |
1307-99-9 - Introduction
cobalt(ii) selenide(CoSe) is an inorganic compound with the following properties:
1. Appearance: cobalt(ii) selenide common form is black solid.
2. Melting point: The melting point of cobalt(ii) selenide is about 1150 degrees Celsius.
3. Solubility: cobalt(ii) selenide is almost insoluble in water, but can be dissolved in acidic and alkaline solutions.
cobalt(ii) selenide has the following uses:
1. Battery field: cobalt(ii) selenide is widely used in lithium-ion batteries and sodium-ion batteries as a cathode material.
2. Optoelectronic field: cobalt(ii) selenide has good absorption ability for near-infrared light, and can be used for photoelectric conversion devices and solar cells.
preparation of cobalt(ii) selenide:
cobalt(ii) selenide can be prepared by directly reacting cobalt with selenium. Generally, cobalt metal and a corresponding amount of selenium are heated to react at high temperature and then cooled to obtain cobalt(ii) selenide.
security information for cobalt(ii) selenide:
cobalt(ii) selenide is generally considered to be a relatively safe compound, but the following should be noted:
1. Inhalation: inhalation of cobalt(ii) selenide powder or vapor may cause respiratory irritation and lung damage. Contact with dust or vapours should be avoided and it should be ensured that the operation is carried out in a well-ventilated place.
2. Contact: cobalt(ii) selenide may cause irritation to skin and eyes. Immediately flush the affected area with plenty of water and seek medical help at the time of contact.
3. Environment: cobalt(ii) selenide has certain toxicity and should not be discharged into the environment.
Please note that when using or handling cobalt(ii) selenide, you should follow appropriate safety operations and protective measures, and comply with relevant regulations and guidelines.
1. Appearance: cobalt(ii) selenide common form is black solid.
2. Melting point: The melting point of cobalt(ii) selenide is about 1150 degrees Celsius.
3. Solubility: cobalt(ii) selenide is almost insoluble in water, but can be dissolved in acidic and alkaline solutions.
cobalt(ii) selenide has the following uses:
1. Battery field: cobalt(ii) selenide is widely used in lithium-ion batteries and sodium-ion batteries as a cathode material.
2. Optoelectronic field: cobalt(ii) selenide has good absorption ability for near-infrared light, and can be used for photoelectric conversion devices and solar cells.
preparation of cobalt(ii) selenide:
cobalt(ii) selenide can be prepared by directly reacting cobalt with selenium. Generally, cobalt metal and a corresponding amount of selenium are heated to react at high temperature and then cooled to obtain cobalt(ii) selenide.
security information for cobalt(ii) selenide:
cobalt(ii) selenide is generally considered to be a relatively safe compound, but the following should be noted:
1. Inhalation: inhalation of cobalt(ii) selenide powder or vapor may cause respiratory irritation and lung damage. Contact with dust or vapours should be avoided and it should be ensured that the operation is carried out in a well-ventilated place.
2. Contact: cobalt(ii) selenide may cause irritation to skin and eyes. Immediately flush the affected area with plenty of water and seek medical help at the time of contact.
3. Environment: cobalt(ii) selenide has certain toxicity and should not be discharged into the environment.
Please note that when using or handling cobalt(ii) selenide, you should follow appropriate safety operations and protective measures, and comply with relevant regulations and guidelines.
Last Update：2024-04-09 18:58:34
