3954-26-5
3954-26-5 structure
- Name: 3,4-Diaminothieno[2,3-b]thiophene-2,5-dicarbonitrile
- Chemical Name: Thieno[2,3-b]thiophene-2,5-dicarbonitrile, 3,4-diamino- (en)
- CAS Number: 3954-26-5
- Molecular Formula: C8H4N4S2
- Molecular Weight: 220.27400
- Create Date: 2017-09-03 06:30:50
- Modify Date: 2025-08-25 12:37:16
| Name | Thieno[2,3-b]thiophene-2,5-dicarbonitrile, 3,4-diamino- (en) |
|---|---|
| Synonyms |
MANNITOL,1,6-DIAMINO-,D-,DIHYDROCHLORIDE
1,6-Diamino-1,6-didesoxy-D-mannit,Dihydrochlorid Diamino-1,6 D-mannitol dihydrochloride 3,4-Diamino-2,5-dicyan-thieno<2,3-b>thiophen 1,6-diamino-1,6-dideoxy-D-mannitol,dihydrochloride 1,6-diamino-2,5-dicyanothieno<2,3-b>thiophene |
| Density | 1.68±0.1 g/cm3(Predicted) |
|---|---|
| Boiling Point | 550.6±50.0 °C(Predicted) |
| Molecular Formula | C8H4N4S2 |
| Molecular Weight | 220.27400 |
| Exact Mass | 219.98800 |
| PSA | 156.10000 |
| LogP | 3.03296 |
| HS Code | 2934999090 |
|---|
|
~87%
3954-26-5 |
| Literature: Comel; Kirsch Journal of Heterocyclic Chemistry, 2001 , vol. 38, # 5 p. 1167 - 1171 |
|
~75%
3954-26-5 |
| Literature: Blanco, Gerardo; Quintela, Jose M.; Peinador, Carlos Journal of Heterocyclic Chemistry, 2006 , vol. 43, # 4 p. 1051 - 1056 |
|
~%
3954-26-5 |
| Literature: Mohareb, Rafat M.; Sherif, Sherif M.; Habashi, Adiba; Abdel-Sayed, Nadia I.; Osman, Samia S. Collection of Czechoslovak Chemical Communications, 1995 , vol. 60, # 9 p. 1578 - 1586 |
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |