25574-69-0
25574-69-0 structure
- Name: Tetrahydrofuran-2,3,4,5-tetracarboxylic dianhydride
- Chemical Name: 3a,4a,7a,7b-tetrahydrodifuro[5,4-a:5',4'-d]furan-1,3,5,7-tetrone
- CAS Number: 25574-69-0
- Molecular Formula: C8H4O7
- Molecular Weight: 212.11300
- Create Date: 2018-12-04 18:13:18
- Modify Date: 2024-01-19 17:06:06
| Name | 3a,4a,7a,7b-tetrahydrodifuro[5,4-a:5',4'-d]furan-1,3,5,7-tetrone |
|---|---|
| Synonyms |
3a,4a,7a,7b-Tetrahydrodifuro[3,4-b:3',4'-d]furan-1,3,5,7-tetrone
tetrahydrodifuro[3,4-b:3',4'-d]furantetrone |
| Density | 1.823g/cm3 |
|---|---|
| Boiling Point | 530.5ºC at 760mmHg |
| Molecular Formula | C8H4O7 |
| Molecular Weight | 212.11300 |
| Flash Point | 246.5ºC |
| Exact Mass | 211.99600 |
| PSA | 95.97000 |
| Vapour Pressure | 2.45E-11mmHg at 25°C |
| Index of Refraction | 1.573 |
| HS Code | 2932999099 |
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| HS Code | 2932999099 |
|---|---|
| Summary | 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |