| 英文名 | 9-hydroxy-3-[(3,4,5-trimethoxyphenyl)methyl]-3,4-dihydrocyclohepta[c]pyran-1,8-dione |
|---|---|
| 英文别名 |
8-Hydroxy-3-(3,4,5-trimethoxybenzyl)-3,4-dihydrocyclohepta[c]pyran-1,9-dione
1-hydroxy-3-[(3,4,5-trimethoxyphenyl)methyl]-3,4-dihydrocyclohepta[c]pyran-8,9-dione |
| 密度 | 1.34g/cm3 |
|---|---|
| 沸点 | 558.6ºC at 760 mmHg |
| 分子式 | C20H20O7 |
| 分子量 | 372.36900 |
| 闪点 | 198.2ºC |
| 精确质量 | 372.12100 |
| PSA | 91.29000 |
| LogP | 2.10240 |
| 折射率 | 1.606 |
| 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% |