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| CAS号 : | 1003-09-4 |
精确质量 : | 161.91400 |
| 分子式 : | C4H3BrS |
logP : | 2.51060 |
| 分子量 : | 163.03600 |
PSA : | 28.24000 |
2-溴噻吩 | |
2-Bromothiophene | |
1003-09-4 | |
C4H3BrS | |
163.03600 | |
28.24000 | |
2.51060 | |
161.91400 |
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n20/D 1.586(lit.)
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无色至淡黄色透明液体
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140 °F
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149-151 °C(lit.)
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-10 °C
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1.684 g/mL at 25 °C(lit.)
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IMMISCIBLE
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4.99mmHg at 25°C
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Stable under normal temperatures and pressures.
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2-8ºC
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3
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6.1
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S26-S36/37/39-S45-S61-S16
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II
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UN 2929 6.1/PG 2
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2942000000
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T
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R10; R22; R23/24; R36/37/38; R51/53
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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>由噻吩经溴化而得。将噻吩溶解在乙酸中，在10℃以下将溴的冰醋酸溶液加入。再向反应混合物加水，析出油状液体。用乙醚萃取。在萃取液中加碳酸钾除去乙酸，干燥，蒸去乙醚，再进行减压蒸馏，收集42-46℃（1.73kPa）馏分，即得2-溴噻吩，产率55%。</p> | |
<p>用作抗血栓药氯吡格雷的中间体。</p> |
