Peroxydiphosphoric acid

Peroxydiphosphoric acid

Names
Other names peroxodiphosphoric acid
Identifiers
CAS Number	potassium salt: 15593-49-4
3D model (JSmol)	Interactive image
ChEBI	CHEBI:29284
ChemSpider	103142
PubChem CID	115278
CompTox Dashboard (EPA)	DTXSID701337409
InChI InChI=1S/H4O8P2/c1-9(2,3)7-8-10(4,5)6/h(H2,1,2,3)(H2,4,5,6) Key: NUGJFLYPGQISPX-UHFFFAOYSA-N InChI=1S/H4O8P2/c1-9(2,3)7-8-10(4,5)6/h(H2,1,2,3)(H2,4,5,6)
SMILES OP(=O)(O)OOP(=O)(O)O
Properties
Chemical formula	H4P2O8
Molar mass	193.97 g/mol
Related compounds
Related compounds	peroxymonophosphoric acid
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Peroxydiphosphoric acid (H₄P₂O₈) is an oxyacid of phosphorus. Its salts are known as peroxydiphosphates. It is one of two peroxyphosphoric acids, along with peroxymonophosphoric acid.