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| CAS号 : | 99-91-2 |
精确质量 : | 154.01900 |
| 分子式 : | C8H7ClO |
logP : | 2.54260 |
| 分子量 : | 154.59400 |
PSA : | 17.07000 |
对氯苯乙酮 | |
4'-Chloroacetophenone | |
99-91-2 | |
C8H7ClO | |
154.59400 | |
17.07000 | |
2.54260 | |
154.01900 |
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无色至淡黄色液体
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n20/D 1.554(lit.)
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Stable at room temperature in closed containers under normal storage and handling conditions.
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194 °F
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8 mm Hg ( 90 °C)
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库房低温通风干燥,防明火,防高温,防潮
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74-76 °C(lit.)
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1.192 g/mL at 25 °C(lit.)
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111 mg/L (25 ºC)
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232 °C(lit.)
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II
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6.1
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29147090
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UN 3416 6.1/PG 2
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3
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R26; R36/37/38
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S26-S28-S36/37/39-S45-S28A
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KM5600000
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T+; Xn
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29147090. Halogenated, sulphonated, nitrated or nitrosated derivatives of Ketones and quinones, whether or not with other oxygen function. General tariff:10.0% |
由氯苯与乙酐反应而得:把无水三氯化铝、无水二硫化碳与干燥的氯苯一起加热、搅拌,在微沸时慢慢滴入乙酐。加完后搅拌回流1h,回收二硫化碳。反应物冷却到室温温热时,在搅拌下慢慢倒入含有盐酸的碎冰中,分层应清晰,如不清晰,应补充盐酸少许。在此溶液中倒入少量苯后提取,收集油层,水层再用苯提取一次,将提取液与油层合并,用约15%的氢氧化钠洗去酸性,再用水洗至中性,干燥,减压蒸馏后,收集粗品馏分,将其冷冻48h后,分离母液,将结晶熔化即为成品。收率83.1%。 | |
用作荧光增白剂、制药和中间体原料。 |
