ethanol, commonly known as alcohol, is an organic compound with the chemical formula C2H5OH. At normal temperature and pressure, it is a flammable, volatile, colorless and transparent liquid with low toxicity and special fragrance. Flammable, its vapor can form an explosive mixture with air, and can be miscible with water at any ratio. It is reducible and can be oxidized to acetaldehyde. Complete combustion in oxygen will produce a light blue flame, generate carbon dioxide and water vapor, and release a lot of heat.

ethanol can be divided into high-purity alcohol, anhydrous alcohol, ordinary alcohol and denatured alcohol according to product quality or nature. Commonly used sugary agricultural products in industry, such as corn and sorghum, can obtain 95% industrial ethanol through fermentation and distillation. Ethanol has a wide range of uses, which can be used to make acetic acid, beverages, flavors, dyes, fuels and so on. 7%-75% ethanol is also commonly used as disinfectant in medical treatment. It can also be used as automobile fuel, and can also be mixed with gasoline as mixed fuel and so on.