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phosphonium cation
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phosphonium cation

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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.

Wikidata facts

Mass
35.005062
Show 3 more facts
canonical SMILES
[PH4+]
chemical formula
H₄P⁺
Commons category
Phosphonium ion
Sources (2)

via Wikidata · CC0

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Encyclopedic overview

12 sections
Contents
  • 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.

Excerpted from Wikipedia’s “phosphonium cation” article, available under the CC BY-SA 4.0 licence.

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