Diperoxochloric acid is the functional name for a metastable, aqueous system of peroxo-bound chlorine-containing oxo species. An isolable, structurally well-defined pure substance is not known. Its composition cannot be described by a single molecular formula, but only via titratable acid equivalents and oxidative capacity; Cl2O6 is frequently used as a formal molecular formula. The species exist exclusively in aqueous solution as a dynamic equilibrium of protonated and deprotonated forms.
The same applies to the formal salts of diperoxochloric acid, the diperoxochlorates; an example is sodium diperoxochlorate.
Systematic name
Chloryloxy chlorate
Other names, synonyms
Dioxybis(chlorane) tetraoxide
Abbreviation
DPOCL
Trade names; preparations
DermaPro; Woxheal
Molecular formula and structural formula of Diperoxochloric acid:

Cl2O6
Mr = 166.894 g/mol
Chloryloxy chlorate
SMILES: O=Cl(=O)OOCl(=O)=O
Mass-related elemental composition and isotope proportions of the compound Diperoxochloric acid - Cl2O6 - calculated based on molecular mass.
*) The third column lists the atomic masses or isotope masses of the elements involved and - in square brackets - the natural isotope composition.
The molar mass is M = 166.894 grams per mole.
The amount of substance in one kilogram of the substance is n = 5.992 mol.
The amount of substance in one gram of the substance is n = 0.006 mol.
Monoisotopic mass: 165.907193114 Da - related to 35Cl216O6.
ATC Code:D03AX17
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Commercially available preparations consist of two components: The purpose of mixing a diperoxochloric acid solution with a sodium chloride solution is not to increase concentration, but rather to selectively alter the chemical equilibrium. By increasing chloride activity and ionic strength, the equilibrium within the peroxochlorine-containing system is shifted, preferentially forming more reactive chlorine-based oxidation forms. The sodium chloride solution thus serves to activate and stabilize the aqueous reaction system in a controlled manner.
For detailed information on the active ingredient, see: , NCI Thesaurus C221964.
The table below lists producers and suppliers of Diperoxochloric acid as a commercial chemical for laboratories, research, industry and production with the corresponding contact details.
[0] - Specialist and research articles in scientific journals via PubMed: Diperoxochloric_acid.
Last update: 2026-01-30
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