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| CAS号 : | 552-86-3 |
精确质量 : | 192.04200 |
| 分子式 : | C10H8O4 |
logP : | 1.78890 |
| 分子量 : | 192.16800 |
PSA : | 63.58000 |
2,2'-联糠醛 | |
1,2-bis(furan-2-yl)-2-hydroxyethanone | |
552-86-3 | |
C10H8O4 | |
192.16800 | |
63.58000 | |
1.78890 | |
192.04200 |
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1.557
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淡黄色至淡棕色非晶形的粉末
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139.4ºC
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306.8ºC at 760 mmHg
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134-137 °C(lit.)
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1.32 g/cm<sup3</sup>
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Stable under normal temperatures and pressures.
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Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
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KM5774095
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3
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S24/25
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2932190090
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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>由糠醛在氰化钾催化下发生安息香缩合而得。将8L水,3L乙醇,4kg糠醛在水浴上加热至60-70℃,搅拌下慢慢加入200g氰化钾溶于600ml水的溶液。反应放热自动升温至80-90℃,稍后即得结晶析出。放置后过滤,用水及甲醇洗涤结晶至洗涤无色,用乙醇重结晶,即为糠偶因成品。</p> | |
<p>用作有机试剂,还原剂。</p> |
