Arsonium

Arsonium
Ball-and-stick model version of the arsonium ion
Names
Systematic IUPAC name
Arsonium
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
322800
  • InChI=1S/AsH4/h1H4/q+1
    Key: VUEDNLCYHKSELL-UHFFFAOYSA-N
  • [AsH4+]
Properties
AsH+
4
Molar mass 78.954 g·mol−1
Conjugate base Arsine
Structure
Tetrahedral
Related compounds
Related compounds
 ammonium
phosphonium
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
Structure of quaternary arsonium compound arsenobetaine.

The arsonium cation is a positively charged polyatomic ion with the chemical formula AsH+
4. An arsonium salt is a salt containing either the arsonium (AsH+
4) cation, such as arsonium bromide (AsH+
4Br−
) and arsonium iodide (AsH+
4I−
), which can be synthesized by reacting arsine with hydrogen bromide or hydrogen iodide.[1] Or more commonly, as organic derivative such as the quaternary arsonium salts Ph
4As+
Cl−
 (CAS: 123334-18-9 , hydrate form) and the zwitterionic compound arsenobetaine.

References

  1. ^ Muñoz-Hernández, M. Á. (2006). Arsenic: Inorganic Chemistry. Encyclopedia of Inorganic Chemistry. pp 4. DOI: 10.1002/0470862106.ia013


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