Barasa wani sinadari ne mara launi, mai ƙonewa tare da ƙaƙƙarfan ƙamshi da ɗanɗano mai ƙonawa.An fi amfani da shi azaman ƙarfi, man fetur, maganin antiseptik, da abin adanawa a masana'antu daban-daban.Akwai nau'ikan barasa daban-daban, kamar ethanol, methanol, da barasa isopropyl, kowannensu yana da nasa kaddarorin da amfani.Ethanol, alal misali, shine nau'in barasa da ake samu a cikin abubuwan sha kuma ana amfani da shi wajen samar da man fetur, tsabtace hannu, da turare.Methanol, a gefe guda, yana da guba kuma ana iya samuwa a cikin wasu kayan tsaftacewa, mai, da sauran abubuwa.Isopropyl barasa shine maganin kashe kwayoyin cuta da kuma shafa barasa da ake amfani dashi a asibitoci, dakunan gwaje-gwaje, da gidaje.Duk da yake barasa yana da aikace-aikace masu amfani da yawa, shi ma abu ne na psychoactive wanda zai iya yin illa ga lafiya da al'umma idan an sha shi da yawa.
