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| CAS号 : | 4385-35-7 |
精确质量 : | 148.05200 |
| 分子式 : | C9H8O2 |
logP : | 1.28590 |
| 分子量 : | 148.15900 |
PSA : | 26.30000 |
3-异色酮 | |
3-Isochromanone | |
4385-35-7 | |
C9H8O2 | |
148.15900 | |
26.30000 | |
1.28590 | |
148.05200 |
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1.562
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白色结晶粉末
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137.7ºC
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130 °C / 1mmHg
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80-82 °C(lit.)
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1.196 g/cm3
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3
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S26-S37/39
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Xi
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R36/37/38
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2932999099
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品名, 成分含量, 用途 |
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2932999099. 其他仅含氧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% |
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2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
方法一:邻二甲苯-α ,α' -二卤化物与一氧化碳和水在催化剂存在下反应,制得3-异苯并二氢吡喃酮 |