DTDESPDTDMMDS产品名称Product name硫酸乙烯酯Ethylene Sulfate亚硫酸乙烯酯Ethylene Sulfite4-丙基硫酸乙烯酯4-propyl-[1,3,2]dioxathiolane-2,2-dioxide甲烷二磺酸亚甲酯MethyleneMethanedisulfonate分子式Molecular FormulaC2H4O4SC2H4O3SC5H10 O4SC2H4O6S2CAS No.1072-53-33741-38-6165108-64-599591-74-9分子量M.W.124.12108.12166.19188.17物理性质Phasical Properties密度(25℃)Density, g/cm3 1.64 物理性质Phasical Properties闪点(℃)Flash Point折光率(25℃)Refractive Index 1.445 沸点(℃)Boiling point 170.6 熔点(℃)Melt Point99 57 146~146.5质量指标Quality specification色度APHA≤20≤20≤20质量指标Quality specification纯度Assay (GC,%)≥99.5≥99.5≥99.5≤20水分Moisture (Karl-Fischer) (ppm)≤100≤100≤100≥99.5酸值(ppm)Acid Value ≤100≤100≤100≤100