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Names | |
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Other names
Methylphosphane
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Identifiers | |
3D model (JSmol)
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ChEBI | |
ChemSpider | |
PubChem CID
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CompTox Dashboard (EPA)
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Properties | |
CH3PH2 | |
Molar mass | 48.02 |
Appearance | colorless gas |
Boiling point | −17.1 °C (1.2 °F; 256.0 K) |
Hazards | |
Occupational safety and health (OHS/OSH): | |
Main hazards
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toxic |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Methylphosphine is the simplest organophosphorus compound with the formula CH3PH2, often written MePH2. It is a malodorous gas that condenses to a colorless liquid. It can be produced by methylation of phosphide salts:[1]
- KPH2 + MeI → MePH2 + KI
Reactions
[edit]The compound exhibits the properties characteristic of a primary phosphine, i.e., a compound of the type RPH2. It can be oxidized to methylphosphonous acid:
- MePH2 + O2 → MeP(H)O2H
It protonates to give the phosphonium ion:
- MePH2 + H+ → MePH3+
With strong bases, it can be deprotonated to give methylphosphide derivatives:
- MePH2 + KOH → K[MePH] + H2O
References
[edit]- ^ W. L. Jolly “Methylphosphine” Inorganic Syntheses 1968, volume 11, p. 124. doi:10.1002/9780470132425.ch25
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View the detailed Guide of Psilotum nudum: Detailed Study Of Psilotum Nudum (Whisk Fern), Classification, Anatomy, Reproduction