- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: 2,5-Dibromothieno[3,2-b]thiophene
- Price:
- Purity: 97.0%
- Stocking Period: 10 Day
- Contact: Yang
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: 2,5-Dibromothieno[3,2-b]thiophene
- Price: ￥120.0/250mg ￥350.0/1g
- Purity: 97.0%
- Stocking Period: 2 Day
- Contact: Liu jia
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: 2,5-Dibromothieno[3,2-b]thiophene
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
25121-87-3
25121-87-3 structure
- Name: 2,5-Dibromothieno[3,2-b]thiophene
- Chemical Name: 2,5-dibromo-thieno[3,2-b]thiophene
- CAS Number: 25121-87-3
- Molecular Formula: C6H2Br2S2
- Molecular Weight: 298.018
- Catalog: Pharmaceutical intermediate Heterocyclic compound Thiophene compound
- Create Date: 2018-11-23 18:54:49
- Modify Date: 2024-01-02 19:51:33
| Name | 2,5-dibromo-thieno[3,2-b]thiophene |
|---|---|
| Synonyms |
Thieno[3,2-b]thiophene, 2,5-dibromo-
2,5-dibromo-thieno[3,2-b]thiophene 2,5-Dibromothieno[3,2-b]thiophene 2,4-DICHLOROBENZYLZINC CHLORIDE 2-b]thiophene |
| Density | 2.2±0.1 g/cm3 |
|---|---|
| Boiling Point | 346.7±37.0 °C at 760 mmHg |
| Melting Point | 130ºC |
| Molecular Formula | C6H2Br2S2 |
| Molecular Weight | 298.018 |
| Flash Point | 163.5±26.5 °C |
| Exact Mass | 295.796448 |
| PSA | 56.48000 |
| LogP | 7.45 |
| Vapour Pressure | 0.0±0.7 mmHg at 25°C |
| Index of Refraction | 1.774 |
| Storage condition | Refrigerator |
| Symbol |
GHS06 |
|---|---|
| Signal Word | Danger |
| Hazard Statements | H301 |
| Precautionary Statements | P301 + P310 |
| Hazard Codes | Xn |
| Risk Phrases | 22 |
| RIDADR | 2811 |
| Packaging Group | Ⅲ |
| HS Code | 2934999090 |
|
~99%
25121-87-3 |
| Literature: Dogru, Mirjam; Handloser, Matthias; Auras, Florian; Kunz, Thomas; Medina, Dana; Hartschuh, Achim; Knochel, Paul; Bein, Thomas Angewandte Chemie - International Edition, 2013 , vol. 52, # 10 p. 2920 - 2924 Angew. Chem., 2013 , vol. 125, # 10 p. 2992 - 2996,5 |
|
~%
25121-87-3 |
| Literature: Molecules, , vol. 17, # 10 p. 12163 - 12171 |
|
~%
25121-87-3 |
| Literature: Molecules, , vol. 17, # 10 p. 12163 - 12171 |
|
~%
25121-87-3 |
| Literature: Molecules, , vol. 17, # 10 p. 12163 - 12171 |
| Precursor 4 | |
|---|---|
| DownStream 3 | |
![3,6-dibromothieno[3,2-b]thiophene structure](https://image.chemsrc.com/caspic/263/392662-65-6.png)
![2,5-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thieno[3,2-b]thiophene structure](https://image.chemsrc.com/caspic/114/924894-85-9.png)
![thieno[3,2-b]thiophene-2,5-dione structure](https://image.chemsrc.com/caspic/181/60749-71-5.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% |