二氧五环：有机化工原料，主要用作油和脂肪的溶剂、提取剂、锂电池的电解溶剂，氯基溶剂稳定剂，药物中间体以及共聚甲醛的原料，还可用作丝绸整理剂及封口胶原料。

　　Dioxolane:Organic chemical raw material, mainly used as a Solvent for oils and fats, extractants, electrolytic solvents for lithium batteries, chlorine solvent stabilizers, pharmaceutical intermediates and a raw material for co-polymer formaldehyde. It can also be used as silk finishing agents and sealing rubber raW material.