2688-48-4
2688-48-4 structure
- Name: 2,5-Dihydroxyphenylacetic acid gamma-lactone
- Chemical Name: 5-hydroxy-3H-1-benzofuran-2-one
- CAS Number: 2688-48-4
- Molecular Formula: C8H6O3
- Molecular Weight: 150.13100
- Catalog: Chemical reagent Organic reagent Aromatic hydrocarbon
- Create Date: 2018-10-18 17:19:13
- Modify Date: 2025-08-25 17:28:35
| Name | 5-hydroxy-3H-1-benzofuran-2-one |
|---|---|
| Synonyms |
5-Hydroxy-2(3H)-benzofuranone
2,5-Dihydroxyphenylacetic acid lactone 2,4-DIHYDROXY-3-METHYL-BENZALDEHYDE Homogentisic lactone HoMogentisic Acid gaMMa-Lactone Homogentisic Acid γ-Lactone 2,5-Dihydroxyphenylacetic Acid γ-Lactone 5-Hydroxy-2-coumaranone 2,5-Dihydroxyphenylacetic acid gama-lactone EINECS 220-252-7 MFCD00005857 2,3-Dihydro-5-hydroxybenzofuran-2-one 5-Hydroxybenzofuran-2(3H)-one |
| Density | 1.436 |
|---|---|
| Melting Point | 192-194 °C |
| Molecular Formula | C8H6O3 |
| Molecular Weight | 150.13100 |
| Exact Mass | 150.03200 |
| PSA | 46.53000 |
| LogP | 0.85370 |
| Storage condition | Refrigerator |
| Hazard Codes | Xi |
|---|---|
| Risk Phrases | R36/37/38:Irritating to eyes, respiratory system and skin . |
| Safety Phrases | S26-S36 |
| WGK Germany | 3 |
| HS Code | 2932209090 |
| Precursor 10 | |
|---|---|
| DownStream 7 | |
![5-hydroxy-3-[(4-hydroxyphenyl)methylidene]-1-benzofuran-2-one structure](https://image.chemsrc.com/caspic/171/107680-50-2.png)
![5-Hydroxy-3-[(4-hydroxyphenyl)methylene]benzofuran-2(3H)-one structure](https://image.chemsrc.com/caspic/222/27439-06-1.png)
![Formamide,N-[(1E)-2-(2,5-dihydroxyphenyl)ethenyl]- structure](https://image.chemsrc.com/caspic/487/100827-28-9.png)
| HS Code | 2932209090 |
|---|---|
| Summary | 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |