Ethanol-C2H5OH, at room temperature and pressure is a flammable, volatile, colorless and transparent liquid, its aqueous solution has a special, pleasant fragrance and slightly irritating. Relative density (water = 1) 0. 789, boiling point is 78. 5℃, flash point: 12℃, ethanol vapor can form an explosive mixture with air, and can be miscible with water in any ratio. Main uses: Ethanol has a wide range of uses, and can be used to make acetic acid, beverages, flavors, dyes, fuels, etc. It is also commonly used in medicine as 70% by volume of ethanol. Ethanol is also commonly used in medical treatment as a disinfectant with a volume fraction of 70%-75%, and can be used as a beverage; basic organic chemical raw material; automobile fuel, etc.

Main production processes:

(1) fermentation of sugary raw materials (such as molasses, sulfite waste, etc.) and starchy raw materials (such as sweet potato, corn, sorghum, etc.);

(2) direct or indirect hydration of ethylene.