| 英文名 | 2-(3,5-dihydroxy-4-methoxyphenyl)-5-hydroxy-6,7,8-trimethoxychromen-4-one |
|---|---|
| 英文别名 |
Flavone,3',5,5'-trihydroxy-4',6,7,8-tetramethoxy
5,3',5'-trihydroxy-6,7,8,4'-tetramethoxyflavone Gardenin-E 3',5,5'-Trihydroxy-4',6,7,8-tetramethoxyflavone |
| 密度 | 1.442g/cm3 |
|---|---|
| 沸点 | 689.2ºC at 760 mmHg |
| 分子式 | C19H18O9 |
| 分子量 | 390.34100 |
| 闪点 | 249.4ºC |
| 精确质量 | 390.09500 |
| PSA | 127.82000 |
| LogP | 2.61120 |
| 蒸汽压 | 1.25E-19mmHg at 25°C |
| 折射率 | 1.632 |
| 海关编码 | 2914509090 |
|---|
| 海关编码 | 2914509090 |
|---|---|
| 中文概述 | 2914509090 含其他含氧基的酮. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:5.5% 普通关税:30.0% |
| 申报要素 | 品名, 成分含量, 用途, 丙酮报明包装 |
| Summary | HS:2914509090 other ketones with other oxygen function VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |