Trioxidane

Trioxidane (systematically named dihydrogen trioxide,), also called hydrogen trioxide is an inorganic compound with the chemical formula H[O]
3H (can be written as [H(μ-O
3)H] or [H
2O
3]). It is one of the unstable hydrogen polyoxides. In aqueous solutions, trioxidane decomposes to form water and singlet oxygen:

"Hydrogen trioxide" redirects here. For HO3, see hydrogen ozonide.
Not to be confused with Trioxane.
Trioxidane
Names
Preferred IUPAC name
Trioxidane (only preselected name)
Systematic IUPAC name
Dihydrogen trioxide
Other names
Hydrogen trioxide
Dihydroxy ether
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
200290
  • InChI=1S/H2O3/c1-3-2/h1-2H Y
    Key: JSPLKZUTYZBBKA-UHFFFAOYSA-N Y
  • InChI=1/H2O3/c1-3-2/h1-2H
    Key: JSPLKZUTYZBBKA-UHFFFAOYAV
  • OOO
Properties
H2O3
Molar mass 50.013 g·mol−1
Related compounds
Related compounds
 Hydrogen peroxide; Hydrogen ozonide; Hydroperoxyl
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is YN ?)
Infobox references

The reverse reaction, the addition of singlet oxygen to water, typically does not occur in part due to the scarcity of singlet oxygen. In biological systems, however, ozone is known to be generated from singlet oxygen, and the presumed mechanism is an antibody-catalyzed production of trioxidane from singlet oxygen.

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