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| CAS号 : | 108-36-1 |
精确质量 : | 233.86800 |
| 分子式 : | C6H4Br2 |
logP : | 3.21160 |
| 分子量 : | 235.90400 |
PSA : | 0.00000 |
1,3-二溴苯 | |
1,3-dibromobenzene | |
108-36-1 | |
C6H4Br2 | |
235.90400 | |
0.00000 | |
3.21160 | |
233.86800 |
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淡的棕色-黄色透明液体
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n20/D 1.608(lit.)
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Stable under ordinary conditions of use and storage.
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201 °F
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0.194mmHg at 25°C
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Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.
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-7 °C
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1.952 g/mL at 25 °C(lit.)
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insoluble
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218-219 °C(lit.)
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8.16 (vs air)
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III
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3.2
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29036990
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UN 2711
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2
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R36/37/38
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S26-S36-S24/25
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CZ1790000
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Xi
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将86g间溴苯胺和175mL氢溴酸混合,搅拌冷却至5℃以下,滴加由35g亚硝酸钠与70mL水配成的溶液,到淀粉碘化钾试纸呈蓝色,通过加入碎冰使温度低于10℃。将得到的重氮盐溶液慢慢加入沸腾的溴化亚铜(40g)48%氢溴酸(40mL)溶液中。加完后进行水蒸气蒸馏,至无油珠蒸出为止。用20%氢氧化钠使馏出液性,以除去可能生成的间溴苯酚,充分摇动,分出间二溴苯粗品。用40~50mL浓盐酸洗,然后水洗,再用30%氢氧化钠溶液洗,最后用水洗。用无水氯化钙干燥后进行蒸馏,收集215~217℃馏分,得成品。 | |
用于溶剂，有机合成中间体。 |
