| 英文名 | 2-(2,3-dihydroxyphenyl)chromen-4-one |
|---|---|
| 英文别名 |
2',3'-Dihydroxyflavone
2',3'-Dihydroxyflavon |
| 密度 | 1.443g/cm3 |
|---|---|
| 沸点 | 465.5ºC at 760mmHg |
| 熔点 | 248-252ºC |
| 分子式 | C15H10O4 |
| 分子量 | 254.23700 |
| 闪点 | 181.3ºC |
| 精确质量 | 254.05800 |
| PSA | 70.67000 |
| LogP | 2.87120 |
| 蒸汽压 | 2.74E-09mmHg at 25°C |
| 折射率 | 1.698 |
| 海关编码 | 2932999099 |
|---|
| 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% |