英文名 | 5,7-dimethoxy-2-methyl-2-phenyl-3H-chromen-4-one |
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英文别名 |
5,7-Dimethoxy-2-methyl-2-phenyl-chroman-4-on
5,7-dimethoxy-2-methyl-2-phenyl-4-chromanone 5,7-Dimethoxy-2-methyl-2-phenyl 5,7-dimethoxy-2-methyl-2-phenyl-chroman-4-one 4H-1-Benzopyran-4-one,2,3-dihydro-5,7-dimethoxy-2-methyl-2-phenyl |
密度 | 1.173g/cm3 |
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沸点 | 465.068ºC at 760 mmHg |
分子式 | C18H18O4 |
分子量 | 298.33300 |
闪点 | 206.382ºC |
精确质量 | 298.12100 |
PSA | 44.76000 |
LogP | 3.58440 |
蒸汽压 | 0mmHg at 25°C |
折射率 | 1.563 |
海关编码 | 2932999099 |
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上游产品 2 | |
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下游产品 0 |
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% |