低温反应体系.pdf

精品文档 可编辑 低温反应体系 温度冷却浴 0 碎冰 -5 - -20 冰 /盐 -10.5 乙二醇 / 干冰 -12 环庚烷 / 干冰 -15 苯甲醇 / 干冰 -22 四氯乙烯 /干冰 -22.8 四氯化碳 /干冰 -25 1,3- 二氯苯/ 干冰 -29 邻二甲苯 /干冰 -32 间甲苯胺 /干冰 -41 乙腈 /干冰 -42 吡啶 /干冰 -47 间二甲苯 /干冰 -56 正辛烷 / 干冰 -60 异丙醚 / 干冰 -77 丙酮 /干冰 -77 乙酸丁酯 /干冰 -83 丙胺 /干冰 -83.6 乙酸乙酯 /液氮 -89 正丁醇 / 液氮 精品文档 可编辑 -94 己烷 /液氮 -94.6 丙酮 / 液氮 -95.1 甲苯 / 液氮 -98 甲醇 / 液氮 -100 乙醚 /干冰 -104 环己烷 /液氮 -116 乙醇 /液氮 -116 乙醚 /液氮 -131 正五烷 /液氮 -160 异戊烷 /液氮 -196 液氮 实验室低温反应浴（干冰或+ 溶剂） 溶剂 , 低温 , 干冰 , 实验室 干冰与以下试剂混合成糊状可达的低温: 13 o p-Xylene 12 o Dioxane 6 o Cyclohexane 5 o Benzene 2 o Formamide -8.6 o Methyl salicylate -9 o Hexane-2,5-dione 精品文档 可编辑 -10.5 o Ethylene glycol -11.9 o tert-Amyl alcoho -12 o Cycloheptane or methyl benzoate -15 o Benzyl alcohol -16.3 o n-Octanol -18 o 1,2-Dichlorobenzene -22 o Tetrachloroethylene -22.4 o Butyl benzoate -22.8 o Carbon tetrachloride -24.5 o Diethyl sulfate -25 o 1,3-Dichlorobenzene -29 o o-Xylene or pentachloroethane -30 o Bromobenzene -32 o m-Toluidine -32.6 o Dipropyl ketone -38 o Thiophene -41 o Acetonitrile -42 o Pyridine or diethyl ketone -44 o Cyclohexyl chloride -45 o Chlorobenzene -47 o m-Xylene -50 o Ethyl malonate or n-butylamine 精品文档 可编辑 -52 o Benzyl acetate or diethylcarbito -55 o Diacetone -56 o n-Octane -60 o Di-isopropyl ether -73 o Trichloroethylene or isopropyl acetate -74 o o-Cymene or p-cymene -77 o Butyl acetate -79 o Isoamyl acetate -83 o Propylamine -83.6o Ethyl acetate -86 o Methyl ethyl ketone -89 o n-Butanol -90 o Nitroethane -91 o Heptane -92 o n-Propyl acetate -93 o 2-Nitropropane or cyclopentane -94 o Ethyl benzene or hexane -94.6 o Acetone -95.1 o Toluene -97 o Cumene -98 o Methanol or methyl acetate -99 o Isobutyl acetate 精品文档 可编辑 -104 o Cyclohexene -107 o Isooctane -108 o 1-Nitropropane -116 o Ethanol or diethyl ether -117 o Isoamyl alcohol -126 o Methylcyclohexane -131 o n-Pentane -160 o Isopentane Some Useful Laboratory Cooling Mixtures Mixture Mixture temperature (Centigrade) p-Xylene/Liquid nitrogen 13 p-Dioxane/Liquid nitrogen 12 Cyclohexane/Liquid nitrogen 6 Benzene/Liquid nitrogen 5 Formamide/Liquid nitrogen 2 Aniline/Liquid nitrogen -6 Cycloheptane/Liquid nitrogen -12 Benzonitrile/Liquid nitrogen -13 Ethylene glycol/Dry ice -15 精品文档 可编辑 o-Dichlorobenzene/Liquid nitrogen -18 Tetrachloroetane/Liquid nitrogen -22 Carbon tetrachloride/Liquid nitrogen -23 Carbon tetrachloride/Dry ice -23 m-Dichlorobenzene/Liquid nitrogen -25 Nitromethane/Liquid nitrogen -29 o-Xylene/Liquid nitrogen -29 Bromobenzene/Liquid nitrogen -30 Iodobenzene/Liquid nitrogen -31 Thiophene/Liquid nitrogen -38 3-Heptanone/Dry ice -38 Acetonitrile/Liquid nitrogen -41 Pyridine/Liquid nitrogen -42 Acetonenitrile/Dry ice -42 Chlorobenzene/Liquid nitrogen -45 Cylcohexanone/Dry ice -46 m-Xylene/Liquid nitrogen -47 n-Butyl amine/Liquid nitrogen -50 Diethyl carbitol/Dry ice -52 n-Octane/Liquid nitrogen -56 Chloroform/Dry ice -61(-77) Chloroform/Liquid nitrogen -63 精品文档 可编辑 Methyl iodide/Liquid nitrogen -66 Carbitol acetate/Dry ice -67 t-Butyl amine/Liquid nitrogen -68 Ethanol/Dry ice -72 Trichloroethylene/Liquid nitrogen -73 Butyl acetate/Liquid nitrogen -77 Acetone/Dry ice -78 Isopropanol/Dry ice -78 Isoamyl acetate/Liquid nitrogen -79 Acylonitrile/Liquid nitrogen -82 Sulfur dioxide/Dry ice -82 Ethyl acetate//Liquid nitrogen -84 Ethyl methyl ketone/Liquid nitrogen -86 Acrolein/Liquid nitrogen -88 Nitroethane/Liquid nitrogen -90 Heptane/Liquid nitrogen -91 Cyclopentane/Liquid nitrogen -93 Hexane/Liquid nitrogen -94 Toluene/Liquid nitrogen -95 Methanol/Liquid nitrogen -98 Diethyl ether/Dry ice -100 n-Propyl iodide/Liquid nitrogen -101 精品文档 可编辑 n-Butyl iodide/Liquid nitrogen -103 Cyclohexane/Liquid nitrogen -104 Isooctane/Liquid nitrogen -107 Ethyl iodide/Liquid nitrogen -109 Carbon disulfide/Liquid nitrogen -110 Butyl bromide/Liquid nitrogen -112 Ethyl bromide/Liquid nitrogen -119 Acetaldehyde/Liquid nitrogen -124 Methyl cyclohexane/Liquid nitrogen -126 n-Pentane/Liquid nitrogen -131 1,5-Hexadiene/Liquid nitrogen -141 Isopentane/Liquid nitrogen -160 。