Methylphosphine
Methylphosphine
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Methylphosphine

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Methylphosphine

Methylphosphine is the simplest organophosphine 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 phosphanide salts:

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:

It protonates to give a phosphonium ion:

With strong bases, it can be deprotonated to give methylphosphanide derivatives:

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