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| CAS号 : | 615-58-7 |
精确质量 : | 249.86300 |
| 分子式 : | C6H4Br2O |
logP : | 2.91720 |
| 分子量 : | 251.90300 |
PSA : | 20.23000 |
2,4-二溴苯酚 | |
2,4-Dibromophenol | |
615-58-7 | |
C6H4Br2O | |
251.90300 | |
20.23000 | |
2.91720 | |
249.86300 |
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1.643
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白色或淡黄色固体至液体
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154°C/11mm
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154 °C (11 mmHg)
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36-39 °C
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2.095 g/cm3
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Stable at room temperature in closed containers under normal storage and handling conditions.
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Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Poison room locked.
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SK8010000
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6.1
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S45-S37/39-S28A-S26-S36/37/39
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II
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2811
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T
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R25; R36/37/38
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2908199090
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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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暂时无法加载合成路线，请稍后刷新重试 |
<p>称取23.5g(0.25mol)苯酚和70g氢溴酸(相对密度1.<br>49),微热使苯酚溶解,然后用冰盐浴冷却至-10℃。维持温度在10℃以下,缓慢加入80g(0.5mol)溴和40g氢溴酸的混合液(注意通风)。加毕,在0℃维持1h,然后加热至30℃,直至溴颜色褪尽。静置3h,将上层清液倾去,剩下的二溴苯酚用温水洗涤数次,在真空干燥器内干燥,得55g粗品(88%),熔点37~38℃。在低沸点石油醚中重结晶1次,得纯品,熔点40℃。 </p> | |
<p>用作有机合成的中间体。</p> |
