Introduction tert-amyl alcohol system name 2-methyl-2-butanol, colorless transparent liquid, slightly soluble in water, with water can form an azeotropic mixture, the boiling point of 87.4 deg C, and ethanol, ether, benzene, chloroform, glycerol and other miscible. As a chemical raw material, ...
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. Slightly soluble in water, in chloroform, and in ether; very soluble in boiling alcohol; soluble in alcohol; sparingly soluble in boiling water. Testolactone: White to off-white, practically odorless, crystalline powder. Melts at about 218 . Slightly soluble in water and in benzyl alcohol; ...
(6) Sodium is dissolved in boiling amyl alcohol, phthalonitrile is added, boiling is continued for \ba1/2\be hour; the amyl alcohol is distilled off and the residue is extracted twice with boiling alcohol to obtain a blue-green colouring matter containing some sodium. (7) Sodium is ...
at one atmosphere and/or a material that has a boiling point at one atmosphere of at least about 300° C. “Volatile” means that the material exhibits a vapor pressure of at least about 0.2 mm of mercury at 20° C. Volatile oils may be used to provide a lighter feel when a heavy,...
3.10 低沸点有机化合物low pointorganiccompound boiling 沸点低于65℃的有机化合物。 3.11 个人职业病防护用品personal against diseases。PPE protectiveequipmentoccupational 劳动者在职业活动过程中为防御物理、化学、生物等职业危害因素对人体的伤害而使用的各种物品 的总称(见GB/T12903)。 3.12 呼吸防护用品respiratory...
The 5-ethyl 5-Ai-isobutenyl barbituric acid obtained has a melting point of 128-129° C. Example 3.-84 parts of isopropyl n-Ai-butenyl malonic ester and 38 parts of urea are reacted in a solution of 23 parts of sodium in about 200 3 parts of absolute alcohol, as in Example 1....
true freezing point真冰点 true-boiling-point analysis真沸点分析 tryparsamide锥虫胂胺 trypsin胰蛋白? trypsinogen胰蛋白?原 tryptophan白胺酸 tube-still heater管馏釜加热器 tungstate钨酸盐 tungsten钨 tungsten boride硼化钨 tungsten carbide碳化钨 tungsten hexachloride六氯化钨 tungsten oxychloride氧氯化钨 tungst...
35 As solvents, there may be used, for instance, chlorobenzene, xylene, or dioxane or mixtures of these solvents having a boiling point between 100 to 150' C. Preferably, however, we use as a solvent a higher aliphatic alcohol such as butyl, 40 amyl, or hexylalcohol. The reaction tempera...
Amyl alcohol may be substituted in the above blend in the same proportions; however, the drying time is longer under similar conditions. In the case of geraniol, a sample of raw Chinawood oil was treated with geraniol under similar conditions described in the above example, and the drying ...