Selenium oxydichloride

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Selenium oxydichloride
IUPAC name	Selenium oxychloride
Other names	Seleninyl chloride
Identifiers
CAS number	[7791-23-3]
RTECS number	VS7000000
SMILES	O=[Se](Cl)Cl
Properties
Molecular formula	SeOCl2
Molar mass	165.87 g/mol
Appearance	colorless liquid
Density	2.445 g/cm3 liquid, at 16°C
Melting point	10.9°C (284.1 K)
Boiling point	177.2°C
Solubility in water	hydrolyzes violently
Solubility in other solvents	chlorinated solvents
Structure
Molecular shape	trigonal pyramidal
Hazards
R-phrases	14-23/25-33-35-50/53
S-phrases	26-36/37/39-45-60-61
Related compounds
Related compounds	SOCl2, POCl3
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references

Selenium oxydichloride is the chemical compound SeOCl₂, a close chemical relative of thionyl chloride, SOCl₂. It is used occasionally as a polar solvent, which resembles DMSO as a donor solvent.

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