| 中文名 | 5,7-二羟基-4-甲基-2-苯并呋喃-1(3H)-酮 |
|---|---|
| 英文名 | 5,7-dihydroxy-4-methyl-3H-2-benzofuran-1-one |
| 英文别名 |
5,7-dihydroxy-4-methyl-3H-isobenzofuran-1-one
5,7-dihydroxy-4-methylphthalide 4-Methyl-5,7-dihydroxyisobenzofuran-1(3H)-one 5,7-Dihydroxy-4-methyl-2-benzofuran-1(3H)-one 1(3H)-Isobenzofuranone,5,7-dihydroxy-4-methyl 1(3H)-Isobenzofuranone, 5,7-dihydroxy-4-methyl- |
| 密度 | 1.5±0.1 g/cm3 |
|---|---|
| 沸点 | 486.0±44.0 °C at 760 mmHg |
| 分子式 | C9H8O4 |
| 分子量 | 180.157 |
| 闪点 | 206.9±21.9 °C |
| 精确质量 | 180.042252 |
| PSA | 66.76000 |
| LogP | 1.17 |
| 蒸汽压 | 0.0±1.3 mmHg at 25°C |
| 折射率 | 1.663 |
| 海关编码 | 2932209090 |
|---|
|
~24%
27979-57-3 |
| 文献:Auricchio, Sergio; Ricca, Aldo; de Pava, Orso Vajna Journal of Organic Chemistry, 1983 , vol. 48, # 4 p. 602 - 604 |
|
~93%
27979-57-3 |
| 文献:Zuo, Li; Yao, Shanyan; Wang, Wei; Duan, Wenhu Tetrahedron Letters, 2008 , vol. 49, # 25 p. 4054 - 4056 |
|
~80%
27979-57-3 |
| 文献:Watanabe; Tsukazaki; Hamada; Iwao; Furukawa Chemical and Pharmaceutical Bulletin, 1989 , vol. 37, # 11 p. 2948 - 2951 |
| 上游产品 3 | |
|---|---|
| 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% |