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HS Code |
943497 |
| Chemical Name | 2,5-Bis[(trimethylsilyl)ethynyl]thieno[3,2-b]thiophene |
| Molecular Formula | C20H26S2Si2 |
| Molecular Weight | 386.66 g/mol |
| Cas Number | 126213-51-8 |
| Appearance | Off-white to pale yellow solid |
| Purity | Typically ≥98% |
| Boiling Point | No data available (decomposes) |
| Melting Point | 120-124°C |
| Solubility | Soluble in common organic solvents (e.g., chloroform, dichloromethane) |
| Density | No data available |
| Refractive Index | No data available |
| Storage Conditions | Store under inert atmosphere, at 2-8°C |
| Smiles | C[Si](C)(C)C#CC1=CC2=C(S1)SC=C2C#C[Si](C)(C)C |
| Inchi | InChI=1S/C20H26S2Si2/c1-25(2,3)13-9-17-11-19-18(12-17)22-20(23-19)10-14-26(4,5)6/h11-12H,1-6H3 |
| Synonyms | 2,5-Bis(trimethylsilylethynyl)thieno[3,2-b]thiophene |
As an accredited 2,5-Bis[(trimethylsilyl)ethynyl]thieno[3,2-b]thiophene factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | A 1-gram amber glass vial with a screw cap, labeled with product name, structure, CAS number, and Sigma-Aldrich branding. |
| Shipping | 2,5-Bis[(trimethylsilyl)ethynyl]thieno[3,2-b]thiophene is shipped in tightly sealed, chemical-resistant containers under an inert atmosphere (e.g., argon) to prevent degradation. It is handled as a hazardous material and typically shipped in compliance with IATA and DOT regulations, often requiring temperature control and proper labeling for chemical safety. |
| Storage | 2,5-Bis[(trimethylsilyl)ethynyl]thieno[3,2-b]thiophene should be stored in a tightly sealed container under a dry, inert atmosphere (e.g., nitrogen or argon) and kept at room temperature, away from moisture, heat, and direct sunlight. Store in a well-ventilated chemical storage cabinet designated for flammable and/or organosilicon compounds. Avoid exposure to acids, oxidizers, and incompatible materials. |
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