5660-45-7
5660-45-7 structure
- Name: alpha-Quinquethiophene
- Chemical Name: α-Quinquethiophene
- CAS Number: 5660-45-7
- Molecular Formula: C20H12S5
- Molecular Weight: 412.63400
- Catalog: Pharmaceutical intermediate Heterocyclic compound Thiophene compound
- Create Date: 2018-09-29 10:15:34
- Modify Date: 2024-01-20 16:30:42
| Name | α-Quinquethiophene |
|---|---|
| Synonyms | 2,5-bis(5-thiophen-2-ylthiophen-2-yl)thiophene |
| Density | 1.384g/cm3 |
|---|---|
| Boiling Point | 535.2ºC at 760 mmHg |
| Melting Point | 253ºC |
| Molecular Formula | C20H12S5 |
| Molecular Weight | 412.63400 |
| Flash Point | 210.8ºC |
| Exact Mass | 411.95400 |
| PSA | 141.20000 |
| LogP | 8.66210 |
| Index of Refraction | 1.71 |
| HS Code | 2934999090 |
|---|
| Precursor 10 | |
|---|---|
| DownStream 0 | |
![1,4-Bis[5-(2,2'-bithienyl)]-1,4-butanedione structure](https://www.chemsrc.com/caspic/363/135068-76-7.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% |