Cobalt(II) Selenide

[ Density]:
7.65 g/mL at 25 °C(lit.)

[ Melting Point ]:
1055°C

[ Molecular Formula ]:
CoHSe

[ Molecular Weight ]:
138.90100

[ Exact Mass ]:
139.85800

[ Appearance of Characters ]:
pieces

[ Water Solubility ]:
Soluble in HNO{3}, aqua regia | soluble HNO3, aqua regia; insoluble alkali [KIR79]

Click to get detail MSDS

[ 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