聚乙二醇二甲醚
中文同义词:聚乙二醇二甲醚;聚乙二醇二甲醚
英文名称Polyethyleneglycoldimethylether
英文同义词PolyethyleneGlycolDimethylEther(Mw.=ca.240);Poly(ethyleneglycol)dimethyletheraverageMn~250;DimethylpolyethyleneglycolpolyethyleneglycoldimetyletherNHD;Polyethyleneglycoldimethylether500(stabilised)forsynthesis;Polyethyleneglycoldimethylether250forsynthesis;Polyethyleneglycoldimethylether2000forsynthesis;POLY(ETHYLENEGLYCOL)(N)DIMETHYLETHER;POLYETHYLENEGLYCOL500DIMETHYLETHER
CAS号24991-55-7
分子式H3CO(C2H4O)nCH3
熔点52-55 °C沸点>250 °C密度1.08 g/mL at 25 °C蒸气压<1 Pa (20 °C)折射率n20/D 1.46形态固体颜色无色至几乎无色
用途主要用于化肥厂二氧化碳及二氯化硫气体的脱除用途NHD溶剂是一种新型高效脱硫脱碳溶剂,产品纯度高,对高酸度、碱度介质和高温有良好的化学稳定性和热稳定性。适用于煤制合成气的净化。能有效脱除天然气、油田气、炼厂气和城市煤气等混合酸性气体以及液化气中的硫化氢气体。特别能有效脱除有机硫。