Dimethyl selenide
Dimethyl selenide is the organoselenium compound with the formula (CH3)2Se. This colorless, malodorous, liquid is the simplest selenoether. It occurs in trace amounts in anaerobic environments.[1]
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| Other names
methylselenide | |
| Identifiers | |
3D model (JSmol) |
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| 1696848 | |
| ChEBI | |
| ECHA InfoCard | 100.008.918  |
| EC Number |
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| KEGG | |
PubChem CID |
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| UNII | |
CompTox Dashboard (EPA) |
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| Properties | |
| C2H6Se | |
| Molar mass | 109.041 g·mol−1 |
| Appearance | colorless liquid |
| Density | 1.4077 g/cm3 (14.6 °C) |
| Melting point | −87.2 °C (−125.0 °F; 186.0 K) |
| Boiling point | 55 °C (131 °F; 328 K) |
| Hazards | |
| GHS pictograms |    |
| GHS Signal word | Warning |
| H301, H331, H373, H400, H410 | |
| P260, P261, P264, P270, P271, P273, P301+310, P304+340, P311, P314, P321, P330, P391, P403+233, P405, P501 | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
| Infobox references | |
Dimethyl selenide is prepared by treating Se2- sources with electrophilic methylating agents such as methyl iodide:
- Na2Se + 2 CH3I → (CH3)2Se + 2 NaI
References
- Michalke, K.; Wickenheiser, E. B.; Mehring, M.; Hirner, A. V.; Hensel, R. (2000). "Production of volatile derivatives of metal(loid)s by microflora involved in anaerobic digestion of sewage sludge". Applied and Environmental Microbiology. 66: 2791–2796. doi:10.1128/AEM.66.7.2791-2796.2000. PMC 92074. PMID 10877769.CS1 maint: uses authors parameter (link)
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