3711-74-8
3711-74-8 structure
- Name: 5,6,7,8-Tetrahydro-1H-2-benzopyran-1,3(4H)-dione
- Chemical Name: 5,6,7,8-Tetrahydro-1H-isochromene-1,3(4H)-dione
- CAS Number: 3711-74-8
- Molecular Formula: C9H10O3
- Molecular Weight: 166.17400
- Create Date: 2018-11-25 18:39:03
- Modify Date: 2025-09-25 07:12:34
| Name | 5,6,7,8-Tetrahydro-1H-isochromene-1,3(4H)-dione |
|---|---|
| Synonyms |
5,6,7,8-tetrahydro-4H-isochromene-1,3-dione
5,6,7,8-Tetrahydro-homophthalsaeureanhydrid |
| Density | 1.24 g/cm3 |
|---|---|
| Boiling Point | 334℃ |
| Melting Point | 46℃ |
| Molecular Formula | C9H10O3 |
| Molecular Weight | 166.17400 |
| Flash Point | 163℃ |
| Exact Mass | 166.06300 |
| PSA | 43.37000 |
| LogP | 1.33050 |
| Storage condition | 2-8℃ |
| HS Code | 2918990090 |
|---|
| HS Code | 2918990090 |
|---|---|
| Summary | 2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |