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| CAS号 : | 563-76-8 |
精确质量 : | 213.86300 |
| 分子式 : | C3H4Br2O |
logP : | 1.69130 |
| 分子量 : | 215.87100 |
PSA : | 17.07000 |
2-溴丙酰溴 | |
2-Bromopropionyl bromide | |
563-76-8 | |
C3H4Br2O | |
215.87100 | |
17.07000 | |
1.69130 | |
213.86300 |
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n20/D 1.518(lit.)
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7.5 (vs air)
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淡黄色透明液体
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>230 °F
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48-50 °C10 mm Hg(lit.)
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2.061 g/mL at 25 °C(lit.)
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1.3 mm Hg ( 20 °C)
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3
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8
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S26-S36/37/39-S45
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II
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UN 3265 8/PG 2
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C
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R22; R34
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2915900090
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品名, 成分含量, 用途 |
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A.入境货物通关单 B.出境货物通关单 |
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R.进口食品卫生监督检验 S.出口食品卫生监督检验 M.进口商品检验 N.出口商品检验 |
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2915900090. 其他饱和无环一元羧酸及其酸酐（酰卤、过氧）化物、过氧酸及其卤化、硝化、磺化、亚硝化衍生物. 增值税率:17.0%. 退税率:9.0%. 监管条件:AB(入境货物通关单,出境货物通关单). 最惠国关税:5.5%. 普通关税:30.0% |
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2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0% |
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由丙酸溴化而得。将丙酸和赤磷加入反应锅内，在60℃滴加溴素，约3h加完，升温至100-120℃，保温反应6h。冷却，过滤，滤液常压分馏，154℃以前的馏分为低沸物，稍冷，减压收集高沸点馏分直至蒸不出为止，得2-溴丙酰溴 | |
用作医药、农药中间体。 |
