中文名 | 4-氧代-4H-吡喃-2-羧酸乙酯 |
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英文名 | ethyl 4-oxopyran-2-carboxylate |
英文别名 |
Comanic acid ethyl ester
Ethyl 4-oxo-4H-pyran-2-carboxylate 4-Oxo-4H-pyran-2-carbonsaeure-aethylester 4-oxo-4H-pyran-2-carboxylic acid ethyl ester Ethylcomanat 2-ethoxycarbonyl-4-pyrone ethyl 4-oxo-4H-2-pyran-carboxylate ethyl comanate |
沸点 | 326.8±52.0°C at 760 mmHg |
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分子式 | C8H8O4 |
分子量 | 168.14700 |
精确质量 | 168.04200 |
PSA | 56.51000 |
LogP | 0.81650 |
储存条件 | 2-8°C,干燥密封 |
海关编码 | 2932999099 |
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~24% 1551-45-7 |
文献:Lumetzberger, Astrid; Loewe, Werner; Weber, Manuela; Luger, Peter Journal of Heterocyclic Chemistry, 2007 , vol. 44, # 1 p. 155 - 159 |
~% 1551-45-7 |
文献:Ost Journal fuer Praktische Chemie (Leipzig), 1884 , vol. <2> 29, p. 63 |
海关编码 | 2932999099 |
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中文概述 | 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% |
申报要素 | 品名, 成分含量, 用途 |
Summary | 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% |