Dichlorine monoxide

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Dichlorine monoxide
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Identifiers
CAS number [7791-21-1]
Properties
Molecular formula Cl2O
Molar mass 86.9054 g mol−1
Melting point

−120.6 °C

Boiling point

22 °C

Solubility in other solvents hydrolyses
Structure
Dipole moment 0.78 ± 0.08 D
Thermochemistry
Std enthalpy of
formation
ΔfHo298
+80.3 kJ mol−1
Standard molar
entropy
So298
265.9 J K−1 mol−1
Related Compounds
Related oxides H2O
F2O
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)

Infobox disclaimer and references

Dichlorine monoxide, Cl2O, is a chlorine oxide.

Dichlorine monoxide is the anhydride of hypochlorous acid; it is related to hypochlorites generally.

It is also the unstable decomposition product of calcium hypochlorite, and in high concentrations presents the risk of ignition by friction or static spark.

References

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