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| CAS号 : | 2905-61-5 |
精确质量 : | 207.92500 |
| 分子式 : | C7H3Cl3O |
logP : | 3.37240 |
| 分子量 : | 209.45700 |
PSA : | 17.07000 |
2,5-二氯苯甲酰氯 | |
2,5-DICHLOROBENZOYL CHLORIDE | |
2905-61-5 | |
C7H3Cl3O | |
209.45700 | |
17.07000 | |
3.37240 | |
207.92500 |
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白色固体
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1.576
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23 °C
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0.0195mmHg at 25°C
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30°C
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1.498 g/cm3
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95°C 1mm
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2916399090
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3261
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R34
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S36/37/39
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C
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品名, 成分含量, 用途, 丙烯酸、丙烯酸盐或酯应报明包装 |
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2916399090 其他芳香一元羧酸. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:6.5% 普通关税:30.0% |
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2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
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2916399090. Other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives. General tariff: |
将苯甲酰氯溶于四氯化碳，加入无水三氯化铁，在搅拌下通入氯气，反应温度在35-50℃。反应到达终点后，用水及稀碱液洗涤反应物，干燥，蒸馏回收四氯化碳。减压蒸馏，收集137℃（2.0kPa）馏分，得2,5-二氯苯甲酰氯。 | |
有机合成中间体。 |
