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| CAS号 : | 93-56-1 |
精确质量 : | 138.06800 |
| 分子式 : | C8H10O2 |
logP : | 0.71230 |
| 分子量 : | 138.16400 |
PSA : | 40.46000 |
苯基乙二醇 | |
1-Phenyl-1,2-ethanediol | |
93-56-1 | |
C8H10O2 | |
138.16400 | |
40.46000 | |
0.71230 | |
138.06800 |
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白色至淡米色结晶粉末或片
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145.7ºC
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272-274ºC
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61-67ºC
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1.17 g/cm3
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Store in a cool, dry place. Store in a tightly closed container.
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29062900
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S24/25
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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% |
<p>由苯乙烯与溴反应生成1,2-二溴苯乙烷,再经水解而得苯基乙二醇。将苯乙烯加入石油醚中,在冷却下滴加溴,控制温度在15℃以下,加完后搅拌1h,过滤出1,2-二溴苯乙烷白色结晶,将其与水、碳酸力钾回流20h。冷却,分去上层油状物,水层加碳酸钾饱和后析出油层。分出油层。水层用苯提取。提取液与油层合并,经干燥后回收苯,然后减压蒸馏出苯基乙二醇。</p> |
