Furan suna ne da ke nufin wani abu mara launi, mai ƙonewa, ruwa mai ƙarfi tare da wurin tafasa na 31.4 ° C. Yana da wani fili heterocyclic membobi biyar wanda ya ƙunshi zarra na oxygen kuma yana da dabarar sinadarai C4H4O. Furan ana amfani da shi azaman abin farawa a cikin haɗa nau'ikan mahadi daban-daban kuma ana amfani dashi azaman kaushi a wasu hanyoyin sinadarai. Ana iya samunsa ta dabi'a a cikin wasu abinci, kamar kofi da gasasshen almonds, sannan kuma wani bangare ne na wasu kayayyakin man fetur da kwal.