| 英文名 | fonsecin |
|---|---|
| 英文别名 |
2,5,8-trihydroxy-6-methoxy-2-methyl-3H-benzo[g]chromen-4-one
4H-Naphtho(2,3-b)pyran-4-one,2,3-dihydro-2,5,8-trihydroxy-6-methoxy-2-methyl 2,5,8-trihydroxy-6-methoxy-2-methyl-2,3-dihydro-4H-benzo[g]chromen-4-one Fonsecin |
| 密度 | 1.494g/cm3 |
|---|---|
| 沸点 | 599.5ºC at 760 mmHg |
| 分子式 | C15H14O6 |
| 分子量 | 290.26800 |
| 闪点 | 230.8ºC |
| 精确质量 | 290.07900 |
| PSA | 96.22000 |
| LogP | 1.93330 |
| 折射率 | 1.695 |
| 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% |