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 |
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 |
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 |