Methaneselenol
From Wikipedia, the free encyclopedia
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| Names | |
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| IUPAC name
Methaneselenol | |
| Other names
monomethylselenide, MMSe | |
| Identifiers | |
3D model (JSmol) |
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PubChem CID |
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CompTox Dashboard (EPA) |
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| Properties | |
| CH3SeH | |
| Molar mass | 95.014 g·mol−1 |
| Appearance | colorless gas |
| Odor | akin to rotten onions, feces, or "sickly sweet rotting garbage" |
| Boiling point | 12 °C (54 °F; 285 K) |
| Related compounds | |
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Methaneselenol is the organoselenium compound with the formula CH3SeH. It is the simplest selenol. A colorless, poisonous gas, it is notorious for its foul, putrid odor.
It is prepared by reaction of methyl lithium or a methyl Grignard reagent with selenium followed by protonation of the product. The compound is a metabolite.[1][2]
According to IR spectroscopy, νSe-H = 2342 cm−1. For the other homologues, νE-H = 1995 (E = Te), 2606 (E = S), and 3710 cm−1 (E = O) for methanetellurol, methanethiol, and methanol.[3]