phosphonium cation
Also known as [PH4](+), PH4(+), phosphonium, phosphanium, phosphinium
thumb|140px|right|class=skin-invert|Phosphonium ion 140px|right|thumb|Structure of , the parent phosphonium cation.
Article
12 sectionsContents
- Types of phosphonium cations
- Protonated phosphines
- Tetraorganophosphonium cations
- Phosphorus pentachloride and related compounds
- Alkoxyphosphonium salts: Arbuzov reaction
- Uses
- Textile finishes
- Phase-transfer catalysts and precipitating agents
- Reagents for organic synthesis
- Ammonia production for "green hydrogen"
- See also
- References
thumb|140px|right|class=skin-invert|Phosphonium ion 140px|right|thumb|Structure of , the parent phosphonium cation.
In chemistry, the term phosphonium (more obscurely: phosphinium) describes polyatomic cations with the chemical formula (where R is a hydrogen or an alkyl, aryl, organyl or halogen group). These cations have tetrahedral structures. The salts are generally colorless or take the color of the anions.