Carbon diselenide

Carbon diselenide
Names
IUPAC name
Carbon diselenide
Systematic IUPAC name
Methanediselenone
Other names
Carbon selenide
Diselenoxomethane
Methanediselone
Carbon(IV) selenide
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.007.323 Edit this at Wikidata
EC Number
  • 208-054-9
UNII
  • InChI=1S/CSe2/c2-1-3 checkY
    Key: JNZSJDBNBJWXMZ-UHFFFAOYSA-N checkY
  • InChI=1/CSe2/c2-1-3
    Key: JNZSJDBNBJWXMZ-UHFFFAOYAM
  • [Se]=C=[Se]
Properties
CSe2
Molar mass 169.953 g·mol−1
Appearance Yellow liquid
Density 2.6824 g/cm3
Melting point −43.7 °C (−46.7 °F; 229.5 K)
Boiling point 125.5 °C (257.9 °F; 398.6 K)
0.054 g/(100 mL)
Solubility Soluble in CS2, toluene
0 D
Thermochemistry
50.32 J/(mol·K) (gas)
263.2 J/(mol·K) (gas)
219.2 kJ/mol (liquid)
Hazards
Flash point 30 °C (86 °F; 303 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Carbon diselenide is an inorganic compound with the chemical formula CSe2. It is a yellow-orange oily liquid with pungent odor. It is the selenium analogue of carbon disulfide (CS2) and carbon dioxide (CO2). This light-sensitive compound is insoluble in water and soluble in organic solvents.