Dichlorine trioxide photograph

Dichlorine Trioxide

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FormulaCl2O3
Molar mass118. 903 g/mol
ChemSpider ID11514723
Appearancedark brown solid
PubChem CID167661
Melting pointexplodes below 0 °C
Date of Reg.
Date of Upd.
ID1239171
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About 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. 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.

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