Selenium monochloride

Selenium monochloride or diselenium dichloride is an inorganic compound with the formula Se2Cl2. Although a common name for the compound is selenium monochloride, reflecting its empirical formula, IUPAC does not recommend that name, instead preferring the more descriptive diselenium dichloride.

Diselenium dichloride
Names
IUPAC name
Diselenium dichloride
Other names
  • 1,2-Dichlorodiselane
  • Dichlorodiselane
  • Dichlorodiselenide
  • Selenium chloride
  • Selenium monochloride
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.030.022
EC Number
  • 233-037-8
UNII
  • InChI=1S/Cl2Se2/c1-3-4-2 N
    Key: VIEXQFHKRAHTQS-UHFFFAOYSA-N N
  • InChI=1/Cl2Se2/c1-3-4-2
    Key: VIEXQFHKRAHTQS-UHFFFAOYAC
  • Cl[Se][Se]Cl
Properties
Se2Cl2
Molar mass 228.84 g·mol−1
Appearance Reddish-brown oily liquid
Density 2.7741 g/cm3
Melting point −85 °C (−121 °F; 188 K)
Boiling point 127 °C (261 °F; 400 K) at 0.997 atm
insoluble
Solubility in other solvents Soluble in chloroform, carbon disulfide, and acetonitrile
−94.8·10−6 cm3/mol
Hazards
GHS labelling:
Danger
H301, H311, H314, H331, H373, H410
P260, P261, P264, P270, P271, P273, P280, P301+P310, P301+P330+P331, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P310, P311, P312, P314, P321, P322, P330, P361, P363, P391, P403+P233, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is YN ?)
Infobox references

Diselenium dichloride is a reddish-brown, oily liquid that hydrolyses slowly. It exists in chemical equilibrium with SeCl2, SeCl4, chlorine, and elemental selenium. Diselenium dichloride is mainly used as a reagent for the synthesis of Se-containing compounds.

This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.