Dihydrofuran is a chemical compound that is commonly used in various chemical and pharmaceutical preparations. It is a colorless, flammable liquid that has a boiling point of 67°C. The word dihydrofuran can be substituted with a variety of other terms according to the specific context of its usage. The synonyms for dihydrofuran include 2,3-dihydrofuran, 1,4-epoxybutane, oxacyclopentane, 3,4-dihydro-2H-pyran, butanolide, and tetrahydrofuran. These synonyms can be used when discussing the compound's chemical properties, uses, and reactions. Furthermore, a variety of these synonyms may also appear on a product's label or safety data sheet to describe the compound.