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Dioxolane is a heterocyclic acetal with the chemical formula (CH2)2O2CH2. It is related to tetrahydrofuran by interchange of one oxygen for a CH2 group. The corresponding saturated 6-membered C4O2 rings are called dioxanes.
D 2241 (OTTO) 1,3 Dioxolane, puriss, 98% Cas 646-06-0 - used as a solvent and as a comonomer in polyacetals.