产品名称:一氯甲烷纯度:99.9 %( min) 别名:甲基氯英文名:Chloromethane、Methyl chloride 化学式:CH3CI 分子量:50.488 CAS号:74-87-3理化性质:形态:透明液体无悬浮物分子量:50.488熔点:-97.7℃沸点(101.325kPa):-24.2℃液体密度(-24.2℃,101.325kPa):1002.9kg/m3气体密度(101.325kPa,25℃):2.1133kg/m3相对密度(101.325kPa,25℃,空气=1):1.784比容(101.325kPa,21.1℃):0.4744m3/kg气体容积比(15℃,100kPa):469L/L压缩系数:压力kPa 1OO 200 400 800温度℃15 0.9858 0.9711 0.9270 50 0.9840 0.9726 0.9450 0.8872临界温度:143.1℃临界压力:6680kPa临界密度:353kg/m3熔化热(-97.7℃):129.7kJ/kg气化热△Hv(-24.2℃):428.44kJ/(kg·K)比热容(气体,101.325kPa,25℃):Cp=838J/(kg·K)
Cv=673J/(kg·K)
(液体,0℃):1.569kJ/(kg·K)比热比(气体,101.325kPa,25℃):Cp/Cv=1.244蒸气压(-90.05℃):1.333kPa
(-38.14℃):53.329kPa
(-13.11℃):159.986kPa粘度(气体,101.325kPa,20℃):0.0108mPa·s
(液体,-20℃):0.280mPa·S表面张力(-20℃):22.0mN/m导热系数(气体,101.325kPa,20℃):0.010544W/(m·K)
(液体,-25℃):0.192W/(m·K)折射率(液体,25℃):1.0007闪点:<0℃燃点:632℃水中溶解度(101.325kPa,0℃):340cm3/100cm3(H3O)易燃性级别:4毒性级别:2反应活性级别:0用途:作为制冷剂、催化剂、溶剂剂、有机合成中的应用。