| 中文名 | (S)-2,3,9,10-四氢-5-羟基-8,8-二甲基-2-苯基-4H,8H-苯并[1,2-B:3,4-B']二吡喃-4-酮 |
|---|---|
| 英文名 | (2S)-5-Hydroxy-8,8-dimethyl-2-phenyl-2,3,9,10-tetrahydro-4H,8H-py rano[2,3-f]chromen-4-one |
| 英文别名 |
(2S)-5-Hydroxy-8,8-dimethyl-2-phenyl-2,3,9,10-tetrahydro-4H,8H-pyrano[2,3-f]chromen-4-one
4H,8H-Benzo[1,2-b:3,4-b']dipyran-4-one, 2,3,9,10-tetrahydro-5-hydroxy-8,8-dimethyl-2-phenyl-, (2S)- Dihydroobovatin |
| 密度 | 1.2±0.1 g/cm3 |
|---|---|
| 沸点 | 537.6±50.0 °C at 760 mmHg |
| 分子式 | C20H20O4 |
| 分子量 | 324.370 |
| 闪点 | 195.2±23.6 °C |
| 精确质量 | 324.136169 |
| PSA | 55.76000 |
| LogP | 5.90 |
| 外观性状 | 粉末 |
| 蒸汽压 | 0.0±1.5 mmHg at 25°C |
| 折射率 | 1.598 |
| 储存条件 | 2-8℃，干燥，密闭 |
| 危害码 (欧洲) | Xi |
|---|---|
| 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% |
