低温反应体系.doc

低温反映体系温度 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-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 液氮实验室低温反映浴（干冰或+溶剂）溶剂, 低温, 干冰, 实验室干冰与如下试剂混合成糊状可达旳低温:13 o p-Xylene12 o Dioxane 6 o Cyclohexane 5 o Benzene2 o Formamide -8.6 o Methyl salicylate-9 o Hexane-2,5-dione -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 -45o Chlorobenzene-47 o m-Xylene-50 o Ethyl malonate or n-butylamine-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-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 MixturesMixture Mixture temperature (Centigrade)p-Xylene/Liquid nitrogen 13p-Dioxane/Liquid nitrogen 12Cyclohexane/Liquid nitrogen 6Benzene/Liquid nitrogen 5Formamide/Liquid nitrogen 2Aniline/Liquid nitrogen -6Cycloheptane/Liquid nitrogen -12Benzonitrile/Liquid nitrogen -13Ethylene glycol/Dry ice -15o-Dichlorobenzene/Liquid nitrogen -18Tetrachloroetane/Liquid nitrogen -22Carbon tetrachloride/Liquid nitrogen -23Carbon tetrachloride/Dry ice -23m-Dichlorobenzene/Liquid nitrogen -25Nitromethane/Liquid nitrogen -29o-Xylene/Liquid nitrogen -29Bromobenzene/Liquid nitrogen -30Iodobenzene/Liquid nitrogen -31Thiophene/Liquid nitrogen -383-Heptanone/Dry ice -38Acetonitrile/Liquid nitrogen -41Pyridine/Liquid nitrogen -42Acetonenitrile/Dry ice -42Chlorobenzene/Liquid nitrogen -45Cylcohexanone/Dry ice -46m-Xylene/Liquid nitrogen -47n-Butyl amine/Liquid nitrogen -50Diethyl carbitol/Dry ice -52n-Octane/Liquid nitrogen -56Chloroform/Dry ice -61(-77)Chloroform/Liquid nitrogen -63Methyl iodide/Liquid nitrogen -66Carbitol acetate/Dry ice -67t-Butyl amine/Liquid nitrogen -68Ethanol/Dry ice -72Trichloroethylene/Liquid nitrogen -73Butyl acetate/Liquid nitrogen -77Acetone/Dry ice -78Isopropanol/Dry ice -78Isoamyl acetate/Liquid nitrogen -79Acylonitrile/Liquid nitrogen -82Sulfur dioxide/Dry ice -82Ethyl acetate/Liquid nitrogen -84Ethyl methyl ketone/Liquid nitrogen -86Acrolein/Liquid nitrogen -88Nitroethane/Liquid nitrogen -90Heptane/Liquid nitrogen -91Cyclopentane/Liquid nitrogen -93Hexane/Liquid nitrogen -94Toluene/Liquid nitrogen -95Methanol/Liquid nitrogen -98Diethyl ether/Dry ice -100n-Propyl iodide/Liquid nitrogen -101n-Butyl iodide/Liquid nitrogen -103Cyclohexane/Liquid nitrogen -104Isooctane/Liquid nitrogen -107Ethyl iodide/Liquid nitrogen -109Carbon disulfide/Liquid nitrogen -110Butyl bromide/Liquid nitrogen -112Ethyl bromide/Liquid nitrogen -119Acetaldehyde/Liquid nitrogen -124Methyl cyclohexane/Liquid nitrogen -126n-Pentane/Liquid nitrogen -1311,5-Hexadiene/Liquid nitrogen -141Isopentane/Liquid nitrogen -160