GB/T 4649-2008 in English

《GB/T 4649-2008工业用乙二醇》由TC63（全国化学标准化技术委员会）归口，TC63SC4（全国化学标准化技术委员会石油化学分会）执行，主管部门为中国石油和化学工业联合会。
标准规定了工业用乙二醇的技术要求、试验方法、检验规则、标志、包装、运输、储存和安全要求。适用于乙烯直接氧化得到环氧乙烷再经水合制成的工业用乙醇。

Scope

This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation, storage and safety requirements for industrial ethylene glycol. This standard is applicable to industrial ethylene glycol produced by direct oxidation of ethylene to ethylene oxide and then hydration. This product is mainly used as a monomer for the production of polyester and alkyd resins and as an electrolyte for electrolytic capacitors. In addition, it can also be used as antifreeze, plasticizer, solvent, etc. Molecular formula: C₂H₆O₂ Relative molecular mass: 62.069 (according to the international relative atomic mass in 2001)