2047-54-3
2047-54-3结构式
- 常用中文名：3-hydroxy-2,3,7-trimethoxy-2-phenyl-chroman-4-one
- 常用英文名：3-hydroxy-2,3,7-trimethoxy-2-phenyl-chroman-4-one
- CAS号：2047-54-3
- 分子式：C18H18O6
- 分子量：330.33200
- 发布时间：2017-08-13 16:55:46
- 更新时间：2024-01-20 22:06:28
| 英文名 | 3-hydroxy-2,3,7-trimethoxy-2-phenylchromen-4-one |
|---|---|
| 英文别名 |
2,7-Dimethoxy-3,4-flavandion-methyl-3-halbketal
3-hydroxy-2,3,7-trimethoxy-2-phenyl-chroman-4-one 2,7-Dimethoxy-3,4-flavandion-<methyl-3-hemiacetal> 3-Hydroxy-2,3,7-trimethoxy-2-phenyl-2,3-dihydro-4H-chromen-4-one |
| 密度 | 1.32g/cm3 |
|---|---|
| 沸点 | 509.5ºC at 760 mmHg |
| 分子式 | C18H18O6 |
| 分子量 | 330.33200 |
| 闪点 | 185ºC |
| 精确质量 | 330.11000 |
| PSA | 74.22000 |
| LogP | 2.10470 |
| 蒸汽压 | 3.31E-11mmHg at 25°C |
| 折射率 | 1.606 |
| 海关编码 | 2932999099 |
|---|
|
~90%
2047-54-3 |
| 文献：Kumar; Singh Synthetic Communications, 1992 , vol. 22, # 9 p. 1333 - 1337 |
| 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% |