Oxepane is a heterocyclic chemical compound with the formula C6H12O: a cycloheptane in which one methylene group is replaced by oxygen.

[1] Oxepane can be polymerized by cationic initiators such as (C2H5)3OSbCl6 to form a crystalline solid with a melting point around 56–58 °C.

[2] This article about a heterocyclic compound is a stub.

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