Research Chemicals
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Name: 2,5-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thieno[3,2-b]thiophen
CAT No.: SRCB-039
CAS NO : 924894-85-9
- Description
- Datasheet
- Additional information
Description
2,5-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thieno[3,2-b]thiophene
Elevate your organic electronics, materials science, and advanced synthesis projects with 2,5-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thieno[3,2-b]thiophene (CAS No.: 924894-85-9, CAT No.: SRCB-039), a high-purity building block employed widely in semiconductor research and polymer chemistry. Featuring two boronic ester groups on a thieno[3,2-b]thiophene core, this compound offers excellent reactivity for Suzuki cross-coupling, enabling the construction of conjugated polymers, organic electronic materials, and covalent organic frameworks (COFs). The molecular formula is C18H26B2O4S2 with a molecular weight of 392.15 g/mol. Typically a yellow to brown crystalline powder, it is highly soluble in organic solvents and demonstrates robust stability and high purity (≥95–98%). Its unique structure provides optimal solubility and charge transport, making it an essential intermediate for thin-film transistors, organic photovoltaics, and functionalized π-conjugated systems.
Product Highlights
| Attribute | Details |
|---|---|
| Chemical Name | 2,5-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thieno[3,2-b]thiophene |
| Synonyms | Thieno[3,2-b]thiophene-2,5-diboronic acid bis(pinacol ester); TT-2B; PM232 |
| Catalog Number | SRCB-039 |
| CAS Number | 924894-85-9 |
| Molecular Formula | C18H26B2O4S2 |
| Molecular Weight | 392.15 g/mol |
| Appearance | Yellow to brown powder |
| Purity | ≥95–98% |
| Melting Point | 290–294°C[7] |
| Solubility | Soluble in organic solvents such as THF, DCM, and chloroform |
| Storage | Store in a cool, dry, dark place, protected from air and moisture |
Technical Features & Benefits
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Suzuki Coupling Monomer: Enables the synthesis of conjugated polymers and small molecules for organic electronics[5][7].
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Charge Transport Optimized: Thieno[3,2-b]thiophene core and boronic esters provide high carrier mobility and processability for thin-film transistor R&D[5].
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High Purity & Stability: Batch-verified purity and excellent shelf stability under proper storage conditions.
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Versatile Building Block: Suitable for COF synthesis, semiconducting polymers, and custom optoelectronic structures.
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Solubility in Organics: Facilitates solution-phase processing and device fabrication.
Application Areas
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Organic thin-film transistors (OTFTs) and organic field-effect transistors (OFETs)
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Semiconducting polymers and high-performance materials for electronics
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Building block for Suzuki–Miyaura cross-coupling and other C–C bond forming reactions
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Covalent organic frameworks (COFs) and advanced porous material construction
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Photovoltaic and optoelectronic device research
Safety & Handling
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Handling Precautions: Use gloves, goggles, and lab coat. Work in a fume hood. Avoid inhalation, ingestion, and contact with skin or eyes.
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Storage Recommendations: Store tightly closed in a dry, dark place, at room temperature or below. Protect from air, moisture, and light.
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Disposal: Dispose of according to local, regional, and national regulations for organic chemical waste.
Why Choose SRIRAMCHEM Laboratories Pvt. Ltd.?
- Expert Manufacturing: Precision-controlled production and advanced purification processes deliver high purity every batch, trusted by chemists worldwide.
- Custom Synthesis: Flexible synthesis capabilities from milligram to kilogram scale, with custom modifications and building block derivatives available.
- Comprehensive Quality Assurance: Each lot supplied with full analytical documentation (COA, NMR, HPLC, MS) ensuring confidence and reproducibility.
- Dedicated Technical Support: Responsive, personalized service—from consultation through delivery—tailored to your research and innovation needs.
Request a Quote or Sample Today!
Accelerate your organic electronics and advanced materials research with SRIRAMCHEM’s 2,5-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thieno[3,2-b]thiophene. Contact us for pricing, technical data, or custom synthesis support.
Additional information
| Pack Size | 1gm |
|---|


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