5,5′-Diiodo-2,2′-bithiophene
5,5′-Diiodo-2,2′-bithiophene (CAS 3339-80-8) is an organosulfur compound with the molecular formula C8H4I2S2 and a molecular weight of 418.06 g/mol. It serves as a valuable intermediate in organic synthesis. Its structure, featuring two thiophene rings linked by a C-C bond and substituted with iodine atoms, makes it particularly useful in materials science and the development of organic electronic devices.
- Synonyms
- 3339-80-8C8H4I2S2
Organic Electronics
This compound is employed as a building block in the synthesis of conjugated polymers and small molecules for applications in organic field-effect transistors (OFETs), organic photovoltaics (OPVs), and organic light-emitting diodes (OLEDs). The iodine substituents facilitate cross-coupling reactions for polymerisation.
Synthetic Intermediates
As a bifunctional thiophene derivative, it is a key intermediate for creating more complex thiophene-based structures. The reactive carbon-iodine bonds allow for versatile functionalisation through various coupling reactions.
Materials Science Research
Researchers utilise 5,5′-Diiodo-2,2′-bithiophene to explore novel semiconductor materials with tailored electronic and optical properties. Its structure is conducive to forming extended pi-conjugated systems.
| Molecular weight | 418.06 |
|---|---|
| Empirical formula | C8H4I2S2 |
| Assay | >97% |
| Melting point | 165-170 °C |
Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-37/38-41 |
| Safety statements (S) | 26-39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 5,5′-Diiodo-2,2′-bithiophene used for?
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5,5′-Diiodo-2,2′-bithiophene is primarily used as a synthetic intermediate and building block in materials science, particularly for organic electronics such as OFETs, OPVs, and OLEDs, due to its reactive iodine substituents that enable polymerisation and functionalisation.
What are the CAS number and formula for 5,5′-Diiodo-2,2′-bithiophene?
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The CAS number is 3339-80-8, and its empirical formula is C8H4I2S2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5,5′-Diiodo-2,2′-bithiophene with an assay of >97%. We do not represent this product as USP, BP, EP, or for pharmaceutical, nutraceutical, or food use.
How should 5,5′-Diiodo-2,2′-bithiophene be handled safely?
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Handle with care. This compound is harmful if swallowed and causes skin and serious eye irritation, and may cause respiratory irritation. Wear protective gloves, eye protection, and respiratory protection. Avoid breathing dust. In case of contact, rinse cautiously with water for several minutes.
Is 5,5′-Diiodo-2,2′-bithiophene a controlled substance?
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The provided data does not indicate that 5,5′-Diiodo-2,2′-bithiophene is a controlled substance.
How is 5,5′-Diiodo-2,2′-bithiophene packed and shipped?
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Tech Serve Solutions exports chemicals globally, ensuring appropriate packaging for safe transit and compliance with international shipping regulations. Specific packaging details are confirmed upon order.
How can I request a sample or quote for 5,5′-Diiodo-2,2′-bithiophene?
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Please contact our sales department via the website or direct email to request a sample or a formal quotation for 5,5′-Diiodo-2,2′-bithiophene.
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