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| CAS号 : | 20769-85-1 |
精确质量 : | 227.87900 |
| 分子式 : | C4H6Br2O |
logP : | 2.08140 |
| 分子量 : | 229.89800 |
PSA : | 17.07000 |
2-溴-2-甲基丙酰溴 | |
2-bromo-2-methylpropanoyl bromide | |
20769-85-1 | |
C4H6Br2O | |
229.89800 | |
17.07000 | |
2.08140 | |
227.87900 |
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透明至黄色液体
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n20/D 1.507(lit.)
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Stable, but may react with moisture. Incompatible with water, strong oxidizing agents, strong bases.
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>110°C
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2.11mmHg at 25°C
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Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances. Corrosives area. Store protected from moisture.
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1.86 g/mL at 20 °C
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reacts
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162-164 °C(lit.)
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II
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8
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29159080
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UN 3265 8/PG 2
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3
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R34
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S26-S36/37/39-S45
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C
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将溴滴加到异丁酸和红磷的混合物中,在100℃反应6h,减压蒸出未反应的溴和溴化氢。冷却,分去亚磷酸,得2-溴代异丁酰溴粗品。粗品经减压分馏,收集91-98℃(13.3kPa)馏分,即为成品。 | |
有机合成中间体。 |
