Isoamyl alcohol is one of the aroma components of fresh tea leaves, black tea and green tea. It is a colorless liquid with alcohol odor and toxic vapor. Slightly soluble in water, miscible with ethanol and ether. It is obtained by fractional distillation from mixed alcohols formed by chlorination and hydrolysis of fusel oil or pentane. Isoamyl alcohol can be used as solvent and flotation agent of nonferrous metal minerals, as well as pharmaceutical and photographic drugs.