Peroxydisulfate

Peroxydisulfate
Names
	Other names Peroxodisulfate; Persulfate;
Identifiers
CAS Number	15092-81-6;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:29267;
ChemSpider	97014;
PubChem CID	107879;
UNII	1SQ1481FEQ;
	InChI InChI=1S/H2O8S2/c1-9(2,3)7-8-10(4,5)6/h(H,1,2,3)(H,4,5,6)/p-2 Key: JRKICGRDRMAZLK-UHFFFAOYSA-L;
	SMILES [O-]S(=O)(=O)OOS([O-])(=O)=O;
Properties
Chemical formula	O8S2−2
Molar mass	192.11 g·mol−1
Conjugate acid	Peroxydisulfuric acid
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

The peroxydisulfate ion, S
₂O²⁻
₈, is an oxyanion, the anion of peroxydisulfuric acid. It is commonly referred to as persulfate, but this term also refers to the peroxomonosulfate ion, SO²⁻
₅. It is also called peroxodisulfate. Approximately 500,000 tons of salts containing this anion are produced annually. Important salts include sodium persulfate (Na₂S₂O₈), potassium persulfate (K₂S₂O₈), and ammonium persulfate ((NH₄)₂S₂O₈). These salts are colourless, water-soluble solids that are strong oxidants.

Names


Other names Peroxodisulfate Persulfate
Identifiers
CAS Number	15092-81-6
3D model (JSmol)	Interactive image
ChEBI	CHEBI:29267
ChemSpider	97014
PubChem CID	107879
UNII	1SQ1481FEQ
InChI InChI=1S/H2O8S2/c1-9(2,3)7-8-10(4,5)6/h(H,1,2,3)(H,4,5,6)/p-2 Key: JRKICGRDRMAZLK-UHFFFAOYSA-L
SMILES [O-]S(=O)(=O)OOS([O-])(=O)=O
Properties
Chemical formula	O₈S₂⁻²
Molar mass	192.11 g·mol⁻¹
Conjugate acid	Peroxydisulfuric acid
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references