Dichlorine trioxide

Dichlorine trioxide, Cl2O3, is a chlorine oxide. It is a dark brown solid discovered in 1967 which is explosive even below 0 °C.[2] It is formed by the low-temperature photolysis of ClO2 and is formed along with Cl2O6, Cl2 and O2. Its structure is believed to be OCl−ClO2 with possible isomers such as Cl−O−ClO2.[3] It is the theoretical anhydride of chlorous acid.

Dichlorine trioxide[1]
Names
IUPAC name
dichlorine trioxide
Other names
chlorine trioxide
chlorine chlorate
chlorine(I,V) oxide
Identifiers
CAS Number
3D model (JSmol)
ChemSpider
PubChem CID
CompTox Dashboard (EPA)
Properties
Chemical formula
 Cl2O3
Molar mass 118.903 g/mol
Appearance dark brown solid
Melting point explodes below 0 °C
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

References
  1. Lide, David R. (1998). Handbook of Chemistry and Physics (87 ed.). Boca Raton, Florida: CRC Press. pp. 4–51. ISBN 0-8493-0594-2.
  2. N. N. Greenwood and A. Earnshaw (1997). Chemistry of the Elements. Butterworth-Heinemann. ISBN 978-0750633659.
  3. Egon Wiberg, Arnold Frederick Holleman (2001) Inorganic Chemistry, Elsevier ISBN 0-12-352651-5


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