| 英文名 | 5-Hydroxy-2-(3-hydroxy-4-methoxyphenyl)-7,8-dimethoxy-4H-chromen- 4-one |
|---|
| 密度 | 1.388g/cm3 |
|---|---|
| 沸点 | 611.158ºC at 760 mmHg |
| 分子式 | C18H16O7 |
| 分子量 | 344.31500 |
| 闪点 | 225.535ºC |
| 精确质量 | 344.09000 |
| PSA | 98.36000 |
| LogP | 2.89700 |
| 蒸汽压 | 0mmHg at 25°C |
| 折射率 | 1.627 |
| 海关编码 | 2932999099 |
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| 海关编码 | 2932999099 |
|---|---|
| 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% |