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| CAS号 : | 20244-61-5 |
精确质量 : | 405.68400 |
| 分子式 : | C6H2Br4O |
logP : | 3.61280 |
| 分子量 : | 409.69500 |
PSA : | 17.07000 |
四溴环己二烯-1-酮 | |
2,4,4,6-tetrabromocyclohexa-2,5-dien-1-one | |
20244-61-5 | |
C6H2Br4O | |
409.69500 | |
17.07000 | |
3.61280 | |
405.68400 |
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1.757
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136ºC
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1.53E-05mmHg at 25°C
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0-6ºC
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120-127 °C
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2.897 g/cm3
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365.8ºC at 760 mmHg
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2914700090
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3
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R36/37/38
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S26-S37/39
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Xi
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品名, 成分含量, 用途, 丙酮报明包装 |
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2914700090 其他酮及醌的卤化、磺化衍生物(包括硝化和亚硝化衍生物). 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:5.5% 普通关税:30.0% |
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HS: 2914700090 halogenated, sulphonated, nitrated or nitrosated derivatives of ketones and quinones, whether or not with other oxygen function Tax rebate rate:9.0% Supervision conditions:none VAT:17.0% MFN tariff:5.5% General tariff:30.0% |
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2914700090. Halogenated, sulphonated, nitrated or nitrosated derivatives of Ketones and quinones, whether or not with other oxygen function. General tariff: |
1.在室温下,将16克(0.1摩尔)溴的冰乙酸溶液100毫升滴入33.1克(0.1摩尔)三溴苯酚和13.5克乙酸钠0.5摩尔)的冰乙酸溶液200毫升中。搅拌30分钟后,将反应混合物倾入碎冰中,滤出柠檬黄色的沉淀,用三氯甲烷重结晶产品。产率80-90% | |
选择性溴化剂。使酚和芳胺生成对位溴代物。氧化硫醇成二硫化物。 |