27979-57-3
27979-57-3 structure
- Name: 5,7-Dihydroxy-4-methyl-2-benzofuran-1(3H)-one
- Chemical Name: 5,7-dihydroxy-4-methyl-3H-2-benzofuran-1-one
- CAS Number: 27979-57-3
- Molecular Formula: C9H8O4
- Molecular Weight: 180.157
- Create Date: 2018-12-31 09:52:33
- Modify Date: 2025-09-29 22:49:58
| Name | 5,7-dihydroxy-4-methyl-3H-2-benzofuran-1-one |
|---|---|
| Synonyms |
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- |
| Density | 1.5±0.1 g/cm3 |
|---|---|
| Boiling Point | 486.0±44.0 °C at 760 mmHg |
| Molecular Formula | C9H8O4 |
| Molecular Weight | 180.157 |
| Flash Point | 206.9±21.9 °C |
| Exact Mass | 180.042252 |
| PSA | 66.76000 |
| LogP | 1.17 |
| Vapour Pressure | 0.0±1.3 mmHg at 25°C |
| Index of Refraction | 1.663 |
| HS Code | 2932209090 |
|---|
|
~24%
27979-57-3 |
| Literature: Auricchio, Sergio; Ricca, Aldo; de Pava, Orso Vajna Journal of Organic Chemistry, 1983 , vol. 48, # 4 p. 602 - 604 |
|
~93%
27979-57-3 |
| Literature: Zuo, Li; Yao, Shanyan; Wang, Wei; Duan, Wenhu Tetrahedron Letters, 2008 , vol. 49, # 25 p. 4054 - 4056 |
|
~80%
27979-57-3 |
| Literature: Watanabe; Tsukazaki; Hamada; Iwao; Furukawa Chemical and Pharmaceutical Bulletin, 1989 , vol. 37, # 11 p. 2948 - 2951 |
| Precursor 3 | |
|---|---|
| DownStream 0 | |
| HS Code | 2932209090 |
|---|---|
| Summary | 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |