1073-31-0
1073-31-0 structure
- Name: 3,4-Thiophenedicarboxaldehyde
- Chemical Name: thiophene-3,4-dicarbaldehyde
- CAS Number: 1073-31-0
- Molecular Formula: C6H4O2S
- Molecular Weight: 140.16000
- Create Date: 2018-09-28 21:57:27
- Modify Date: 2025-08-25 19:19:45
| Name | thiophene-3,4-dicarbaldehyde |
|---|---|
| Synonyms |
3,4-Thiophenedicarboxaldehyde
3,4-diformylthiophene thiophene-3,4-dicarboxaldehyde tiopheno<3,4-c>dicarboxaldehyde |
| Density | 1.371g/cm3 |
|---|---|
| Boiling Point | 293.888ºC at 760 mmHg |
| Melting Point | 81 °C |
| Molecular Formula | C6H4O2S |
| Molecular Weight | 140.16000 |
| Flash Point | 131.539ºC |
| Exact Mass | 139.99300 |
| PSA | 62.38000 |
| LogP | 1.37310 |
| Vapour Pressure | 0.002mmHg at 25°C |
| Index of Refraction | 1.669 |
| HS Code | 2934999090 |
|---|
|
~73%
1073-31-0 |
| Literature: Hsu, Dong-Tsou; Lin, Chih-Hsiu Journal of Organic Chemistry, 2009 , vol. 74, # 23 p. 9180 - 9187 |
|
~35%
1073-31-0 |
| Literature: Wishka, Donn G.; Walker, Daniel Patrick; Corbett, Jeffrey W.; Reitz, Steven Charles; Rauckhorst, Mark R.; Groppi JR., Vincent E. Patent: US2003/105089 A1, 2003 ; US 20030105089 A1 |
|
~72%
1073-31-0 |
| Literature: Braunecker, Wade A.; Owczarczyk, Zbyslaw R.; Garcia, Andres; Kopidakis, Nikos; Larsen, Ross E.; Hammond, Scott R.; Ginley, David S.; Olson, Dana C. Chemistry of Materials, 2012 , vol. 24, # 7 p. 1346 - 1356 |
|
~%
1073-31-0 |
| Literature: Robba,M. et al. Bulletin de la Societe Chimique de France, 1967 , p. 2495 - 2507 |
| Precursor 4 | |
|---|---|
| DownStream 3 | |
![thieno[3,4-d]thiepine structure](https://image.chemsrc.com/caspic/138/327-25-3.png)
![6-(2-ethylhexyl)thieno[3,4-f]isoindole-5,7-dione structure](https://image.chemsrc.com/caspic/006/335594-58-6.png)
![3,4-bis[(3-bromothiophen-2-yl)methyl]thiophene structure](https://image.chemsrc.com/caspic/469/854398-63-3.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% |