This non-halogenated heterocyclic building block, also known as 1,3-dioxacyclopentane, presents as a colorless to very pale-yellow liquid. Store in a cool, dark and well-ventilated place, under inert gas and at ambient temperatures - this substance is air sensitive. 1,3-Dioxolane is known to be incompatible with oxidizing agents and strong acids and should not be stored or handled in their vicinity. This chemical causes serious eye irritation.