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| CAS号 : | 89-92-9 |
精确质量 : | 183.98900 |
| 分子式 : | C8H9Br |
logP : | 2.88990 |
| 分子量 : | 185.06100 |
PSA : | 0.00000 |
2-甲基苄溴 | |
2-Methylbenzyl Bromide | |
89-92-9 | |
C8H9Br | |
185.06100 | |
0.00000 | |
2.88990 | |
183.98900 |
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n20/D 1.575(lit.)
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透明黄色液体
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180 °F
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216-217 °C742 mm Hg(lit.)
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16-20 °C(lit.)
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practically insoluble
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1.381 g/mL at 25 °C(lit.)
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Stable at room temperature in closed containers under normal storage and handling conditions.
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2-8ºC
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CY9039100
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6.1
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29036990
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3
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S26-S36/37/39-S45
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II
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UN 1701 6.1/PG 2
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C
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R20/21/22; R34
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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>由邻二甲苯溴化而得：在邻二甲苯中加碘和铁粉，冷却，滴加溴素，控制反应温度不超过5℃，反应放出溴化氢气体用碱溶液吸收。滴加完毕，在室温下放置过夜，用5%的氢氧化钠溶液洗至红色褪去，再用水洗油层经水蒸气蒸馏，得4-溴-1,2-二甲基苯。收率75%。</p> | |
<p>用于有机合成。</p> |
