Used primarily as a blowing agent in the production of polyurethane foam insulation for refrigerators and buildings, cyclopentane helps create closed-cell foam with excellent thermal insulation properties. It replaced ozone-depleting substances like CFCs and HCFCs due to its zero ozone depletion potential. Its low global warming potential also makes it environmentally favorable compared to other alternatives. Cyclopentane is valued in the foam industry for its effectiveness, safety, and environmental profile. It is also used as a specialty solvent and in some chemical synthesis processes where a non-polar, volatile solvent is needed.