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· · COA & SDS available for every product · Same-day shipping on in-stock items 2,5-Bis[(trimethylsilyl)ethynyl]thieno[3,2-b]thiophene - ≥97% , CAS No.139896-65-4 🧪
Why this grade ≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
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Storage & shipping Room temperature Ships Normal Check lot-specific COA for exact specifications.
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Quality documents SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
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Literature proof Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Specifications Specifications & Purity
≥97%
Names and Identifiers Pubchem Sid 504772459 Pubchem Sid Url https://pubchem.ncbi.nlm.nih.gov/substance/504772459 Canonical Smiles C[Si](C)(C)C#CC1=CC2=C(S1)C=C(S2)C#C[Si](C)(C)C IUPAC Name trimethyl-[2-[5-(2-trimethylsilylethynyl)thieno[3,2-b]thiophen-2-yl]ethynyl]silane InChIKey OWXZBWIZKNUJOL-UHFFFAOYSA-N INCHI 1S/C16H20S2Si2/c1-19(2,3)9-7-13-11-15-16(17-13)12-14(18-15)8-10-20(4,5)6/h11-12H,1-6H3 Isomeric SMILES C[Si](C)(C)C#CC1=CC2=C(S1)C=C(S2)C#C[Si](C)(C)C Molecular Weight 332.63 Reaxy-Rn 9935046 Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=9935046&ln=
Documentation 📋 Safety Data Sheet (SDS) Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS → ✅ Certificate of Analysis (COA) Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA → 📊 Datasheet Quick-reference summary of product specifications and applications.
View datasheet → 🔬 Specification Sheet Full quality attributes and acceptance criteria for this grade.
View spec sheet →
Advanced Data 3D Structure Certificates（CoA,COO,BSE/TSE and Analysis Chart) Chemical and Physical Properties Sensitivity light sensitive Melt Point(°C) 200-215℃
Solution Calculators Molarity Calculator Determine the necessary mass, volume, or concentration for preparing a solution.
Dilution Calculator Determine the dilution needed to prepare a stock solution.
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