n-Butanol or n-butyl alcohol or normal butanol is a primary alcohol with a 4-carbon structure and the chemical formula C4H9OH. Its isomers include isobutanol, 2-butanol, and tert-butanol. Butanol is one of the group of "fusel alcohols"
B 2288 (OTTO) 1-Butanol, for spectroscopy, 99%+ - used as an ingredient in perfumes and as a solvent for the extraction of essential oils.n-Butanol is also used as an extractant in the manufacture of antibiotics, hormones,