This standard specifies the structural formula and nomenclature, terms and definitions, basic requirements, technical requirements, sampling, test methods, inspection rules and signs, packaging, transportation, storage, quality commitment and services of methylallyl alcohol polyoxyethylene ether. This standard is mainly applicable to raw materials that use methylallyl alcohol and ethylene oxide as the main raw materials through polymerization reaction under alkali catalysis, and are mainly used to manufacture polycarboxylic acid-based high-efficiency water-reducing agents and emulsified silicone oils.