This standard specifies the requirements, test methods, inspection rules and marking, packaging, transportation, storage, etc. of sodium methoxide methanol solution. This standard applies to the sodium methoxide methanol solution produced by the reaction of methanol and sodium hydroxide through dehydration, and also applies to the sodium methoxide methanol solution produced by the reaction of methanol and metallic sodium. Molecular formula: CHONa Relative molecular mass: 54.02 (according to the 2007 international relative atomic mass)