Selenium monochloride
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.
| Names | |
|---|---|
| IUPAC name
Selenium monochloride | |
| Other names
Dichlorodiselenide, Diselenium dichloride, Selenium chloride, 1,2-dichlorodiselane | |
| Identifiers | |
| ECHA InfoCard | 100.030.022 |
CompTox Dashboard (EPA) |
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| Properties | |
| 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 | 127 °C at 0.997 atm (400.15 K at 0.997 atm) |
| 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 otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
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| Infobox references | |
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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