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CAS RN: 139896-65-4 | Product Number: B5196
2,5-Bis[(trimethylsilyl)ethynyl]thieno[3,2-b]thiophene
![Chemical Structure of 2,5-Bis[(trimethylsilyl)ethynyl]thieno[3,2-b]thiophene](/medias/B5196.jpg?context=bWFzdGVyfHJvb3R8NDIxNDN8aW1hZ2UvanBlZ3xhRE5oTDJobVl5ODRPVEl3TXpRME16WXpNRE00TDBJMU1UazJMbXB3Wnd8YmM4M2ZkODhiNWQzNDVmMGI4ZjU3YmU5MzgxZWY5YmY3NmY5YjYxMzhkZmY0NDg0ZTcyM2FiNDY0ZDNkMTg2Mg "2,5-Bis[(trimethylsilyl)ethynyl]thieno[3,2-b]thiophene")
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![2,5-Bis[(trimethylsilyl)ethynyl]thieno[3,2-b]thiophene](/_ui/responsive/theme-tci/images/missing_product_zoom.jpg "2,5-Bis[(trimethylsilyl)ethynyl]thieno[3,2-b]thiophene")
Purity: >98.0%(GC)
Synonyms:
Product Documents:
| Size | Unit Price | Same Day | 2-3 Business Days | Other Lead Time |
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|---|---|---|---|---|---|
| 200MG |
$130.00
|
11 | 0 | Contact Us | |
| 1G |
$432.00
|
5 | 0 | Contact Us |
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| Product Number | B5196 |
Purity / Analysis Method 
|
>98.0%(GC) |
| Molecular Formula / Molecular Weight | C__1__6H__2__0S__2Si__2 = 332.63 |
| Physical State (20 deg.C) | Solid |
| Storage Temperature
|
Room Temperature (Recommended in a cool and dark place, <15°C) |
| CAS RN | 139896-65-4 |
| Reaxys Registry Number | 9935046 |
| PubChem Substance ID | 354333650 |
Specifications
| Appearance | Light orange to Yellow to Green powder to crystal |
| Purity(GC) | min. 98.0 % |
| Melting point | 211.0 to 215.0 °C |
| NMR | confirm to structure |
Properties (reference)
| Melting Point | 213 °C |
| Maximum Absorption Wavelength | 345 nm (Cyclohexane) |
GHS
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| H.S.code* | 2934.99-000 |
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