Peroxomonosulfate

Peroxomonosulfate
Names
Other names
Persulfate[1]
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
101038
  • InChI=1S/H2O5S/c1-5-6(2,3)4/h1H,(H,2,3,4)/p-2
    Key: FHHJDRFHHWUPDG-UHFFFAOYSA-L
  • [O-]OS(=O)(=O)[O-]
Properties
O5S−2
Molar mass 112.06 g·mol−1
Conjugate acid Peroxymonosulfuric acid
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

The peroxomonosulfate ion, SO2−
5, is a sulfur oxoanion. It is sometimes referred to as the persulfate ion, but this term also refers to the peroxydisulfate ion, S
2O2−
8.

Its other IUPAC names are sulfuroperoxoate and trioxidoperoxidosulfate(2−).[2]

  1. ^ Ambiguous—see persulfate
  2. ^ International Union of Pure and Applied Chemistry (2005). Nomenclature of Inorganic Chemistry (IUPAC Recommendations 2005). Cambridge (UK): RSC–IUPAC. ISBN 0-85404-438-8. pp. 139,328. Electronic version.