Ethanol is an organic compound with the simple formula CH3CH2OH or C2H5OH and the molecular formula C2H6O, commonly known as alcohol. Ethanol is a volatile, colorless, transparent liquid at room temperature and pressure, with low toxicity. It is a pure liquid that cannot be consumed directly. The aqueous solution of ethanol has a wine like aroma, with a slightly irritating and sweet taste. Ethanol is flammable, and its vapor can form an explosive mixture with air. Ethanol can be miscible with water in any ratio and can be miscible with chloroform, ether, methanol, acetone, and most other organic solvents. Ethanol can be used to produce acetic acid, beverages, essence, dyes, fuels, etc. In medical treatment, 70%~75% ethanol is commonly used as disinfectant. Ethanol has a wide range of applications in the chemical industry, healthcare, food industry, agricultural production, and other fields.