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| CAS号 : | 872-31-1 |
精确质量 : | 161.91400 |
| 分子式 : | C4H3BrS |
logP : | 2.51060 |
| 分子量 : | 163.03600 |
PSA : | 28.24000 |
3-溴噻吩 | |
3-Bromothiophene | |
872-31-1 | |
C4H3BrS | |
163.03600 | |
28.24000 | |
2.51060 | |
161.91400 |
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透明至淡黄色液体
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n20/D 1.591(lit.)
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Stable under normal temperatures and pressures.
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140 °F
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0-6ºC
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-10ºC
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1.74 g/mL at 25 °C(lit.)
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IMMISCIBLE
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158 °C
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II
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6.1
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29349990
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UN 2929 6.1/PG 2
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3
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R10; R23/24/25; R36/37/38; R51/53
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S16; S26; S28; S36/37/39; S38; S45; S61
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N
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29349990. Other nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds. General tariff:6.5% |
按投料比将2,3,5-三溴噻吩、锌粉、醋酸、水和萃取剂一次性投入还原釜内,开启搅拌。搅拌30min后,升温至回流并保持平稳回流6~8h,再取样分析以判断反应是否达终点。反应完毕,先进行水蒸气蒸馏,再将馏出物加萃取剂萃取,并蒸馏回收萃取剂,最后接收159~161℃的馏分,即得产品3-溴噻吩。收率约90%。 | |
用于合成药物和高分子材料。 |