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| CAS号 : | 3395-91-3 |
精确质量 : | 165.96300 |
| 分子式 : | C4H7BrO2 |
logP : | 0.94440 |
| 分子量 : | 167.00100 |
PSA : | 26.30000 |
3-溴丙酸甲酯 | |
methyl 3-bromopropanoate | |
3395-91-3 | |
C4H7BrO2 | |
167.00100 | |
26.30000 | |
0.94440 | |
165.96300 |
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n20/D 1.458(lit.)
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略黄色液体
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167 °F
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64-66 °C18 mm Hg(lit.)
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75°C
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1.53 g/mL at 25 °C(lit.)
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Immiscible
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Stable under normal temperatures and pressures.
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Store at R.T.
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UA2451790
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3
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29159080
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6.1
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S26-S37/39
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I; II; III
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Xn
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R22; R36/37/38
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2933990090
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2933990090. 其他仅含氮杂原子的杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0% | |
2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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<p>在装有磁子及导气管的1L烧瓶中,加入258g(3mol)干燥的丙烯酸甲醋及500mL无水乙醚,在冰浴冷却下,通入245g(3.03mol)无水溴化氢,通毕,塞住反应瓶,于室温放置24h。然后旋转浓缩除去乙醚,升温至80~85℃,接着减压蒸馏,收集64~66℃/1.3kPa馏分,得产品410~428g,收率80%。</p> | |
<p>有机合成中间体。</p> |
