This document specifies the characters, technical requirements, test methods, inspection rules, packaging and marking of the chemical reagent ethanol (anhydrous ethanol). This document is applicable to the inspection of the chemical reagent ethanol (anhydrous ethanol). NOTE: the rational formula of the chemical reagent ethanol (anhydrous ethanol) is CH3CH2OH, the relative molecular mass is 46.07 (in accordance with the 2022 international relative atomic mass), and the CAS No. is 64-17-5.