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| CAS号 : | 491-37-2 |
精确质量 : | 148.05200 |
| 分子式 : | C9H8O2 |
logP : | 1.65180 |
| 分子量 : | 148.15900 |
PSA : | 26.30000 |
4-二氢色原酮 | |
Chroman-4-one | |
491-37-2 | |
C9H8O2 | |
148.15900 | |
26.30000 | |
1.65180 | |
148.05200 |
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1.575
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白色至淡黄色晶体粉末
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110ºC
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127-128ºC (13 mmHg)
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34-40ºC
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1.196 g/cm3
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0.018mmHg at 25°C
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Stable under normal temperatures and pressures.
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Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
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S24/25
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Xi
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R33
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2932999099
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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 |
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<p>β-苯氧基丙酸与五氧化二磷在磷酸中反应,反应物冰析后用苯提取。提取液减压蒸馏,收集104-110℃(0.67kPa)馏分,得苯并二氢呋喃-4-酮,产率75-85%。</p> | |
<p>用于有机合成。</p> |
