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| CAS号 : | 37148-47-3 |
精确质量 : | 280.90100 |
| 分子式 : | C8H6BrCl2NO |
logP : | 3.73440 |
| 分子量 : | 282.94900 |
PSA : | 43.09000 |
4-氨基-3,5-二氯溴代苯乙酮 | |
4-Amino-3,5-dichlorophenacylbromide | |
37148-47-3 | |
C8H6BrCl2NO | |
282.94900 | |
43.09000 | |
3.73440 | |
280.90100 |
|
黄色固体
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1.643
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193.6ºC
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|
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145ºC
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1.764 g/cm3
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396.4ºC at 760 mmHg
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2921199090
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品名, 成分含量, 用途 |
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2921199090 其他无环单胺及其衍生物及其盐。监管条件:无。增值税率:17.0%。退税率:9.0%。最惠国关税:6.5%。普通关税:30.0% |
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2921199090 other acyclic monoamines and their derivatives; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
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HS:2921199090.Acyclic monoamines and their derivatives; salts thereof. General tariff:6.5% |
将4-氨基-3,5-二氯苯乙酮溶于氯仿中,加热至65℃。搅拌下滴加溴素,加完后搅拌数分钟,再加入乙醇搅拌。冷冻,将结晶滤出,用氯仿洗涤,低温下干燥得成品。 | |
医药中间体。 |
