Ethanol is an organic substance with the chemical formula: CH3CH2OH(C2H6O or C2H5OH) or EtOH, which is a saturated monohydric alcohol with hydroxyl groups. It is a flammable, volatile, colorless and transparent liquid at normal temperature and pressure, and its liquid has the smell of wine, which is slightly irritating, spicy and sweet.
The density of ethanol liquid is 0.789 g/cm (20 C), the density of ethanol gas is 1.59kg/m, the boiling point is 78.3℃, and the melting point is-11℃. It is flammable, and its steam can form an explosive mixture with air and can be mixed with water in any proportion. It is miscible with most organic solvents such as chloroform, ether, methanol and acetone, and its relative density is (D 15.56) 0.85438+06.