Selenium monochloride

(Redirected from Selenium(I) chloride)

Selenium monochloride, also known as selenium(I) chloride or diselenium dichloride, is a chemical compound. Its chemical formula is Se2Cl2. It contains selenium in its +1 oxidation state. It also contains chloride ions.

Selenium monochloride
Se2Cl2Structure.png
IUPAC name Selenium monochloride
Other names Dichlorodiselenide, Diselenium dichloride, Selenium chloride, 1,2-dichlorodiselane
Identifiers
CAS number 10025-68-0
Properties
Molecular formula Se2Cl2
Molar mass 228.83 g/mol
Appearance Reddish-brown oily liquid
Density 2.7741 g/cm3
Melting point

-85 °C (223.15 K)

Boiling point
Solubility in water insoluble; sol in CHCl3, CS2, MeCN
Solubility Soluble in dry chloroform and carbon disulfide
Hazards
R-phrases 23/24/25-34
S-phrases 22-26-36/37/39-45
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)

Properties

It is a reddish brown oily liquid.

Preparation

It can be made by reacting selenium, selenium dioxide, and hydrochloric acid. It can be made though by just reacting chlorine with selenium. Another way to make it is reacting oleum and hydrochloric acid with selenium.

Uses

It can be used to add selenium to other chemical compounds.

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