| 英文名 | 4-hydroxy-3-[(4-hydroxy-2-oxochromen-3-yl)-(4-methoxyphenyl)methyl]chromen-2-one |
|---|---|
| 英文别名 |
2H-1-Benzopyran-2-one,3,3'-((4-methoxyphenyl)methylene)bis(4-hydroxy
3,3'-(4-methoxyphenylmethylene)bis-(4-hydroxy-2H-1-benzopyran-2-one) 3,3'-(4-methoxyphenylmethylene)-bis-4-hydroxycoumarin 4-hydroxy-3-[(4-hydroxy-2-oxo-2H-chromen-3-yl)-(4-methoxy-phenyl)-methyl]-chromen-2-one 3,3-(4'-methoxybenzylidene)bis(4-hydroxycoumarin) 3,3'-((4-methoxyphenyl)methylene)bis(4-hydroxy-2H-chromen-2-one) |
| 密度 | 1.495g/cm3 |
|---|---|
| 沸点 | 632.6ºC at 760mmHg |
| 分子式 | C26H18O7 |
| 分子量 | 442.41700 |
| 闪点 | 218.5ºC |
| 精确质量 | 442.10500 |
| PSA | 110.11000 |
| LogP | 4.49940 |
| 蒸汽压 | 7.11E-17mmHg at 25°C |
| 折射率 | 1.717 |
| 海关编码 | 2932209090 |
|---|
| 上游产品 4 | |
|---|---|
| 下游产品 0 | |
| 海关编码 | 2932209090 |
|---|---|
| 中文概述 | 2932209090. 其他内酯. 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 | 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
