4506-94-9
4506-94-9 structure
- Name: 2,3,4,5-Thiophenetetracarboxylicacid
- Chemical Name: thiophene-2,3,4,5-tetracarboxylic acid
- CAS Number: 4506-94-9
- Molecular Formula: C8H4O8S
- Molecular Weight: 260.17800
- Create Date: 2016-09-17 12:42:35
- Modify Date: 2024-01-12 15:01:19
| Name | thiophene-2,3,4,5-tetracarboxylic acid |
|---|---|
| Synonyms |
2,3,4,5-Thiophenetetracarboxylicacid
Thiophentetracarbonsaeure thiophene-2.3.4.5-tetracarboxylic acid Thiophen-2,3,4,5-tetracarbonsaeure |
| Density | 2.016g/cm3 |
|---|---|
| Boiling Point | 624ºC at 760 mmHg |
| Molecular Formula | C8H4O8S |
| Molecular Weight | 260.17800 |
| Flash Point | 331.2ºC |
| Exact Mass | 259.96300 |
| PSA | 177.44000 |
| LogP | 0.54090 |
| Index of Refraction | 1.746 |
| HS Code | 2934999090 |
|---|
|
~%
4506-94-9 |
| Literature: Michael Chemische Berichte, 1895 , vol. 28, p. 1632 Full Text Show Details Hopff; v. d. Crone Chimia, 1959 , vol. 13, p. 107 |
![1H,3H-Thieno[3,4-c]furan-1,3-dione structure](https://image.chemsrc.com/caspic/124/6007-85-8.png)
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |