5-Hexyl-2,2′-bithiophene
5-Hexyl-2,2′-bithiophene (CAS 173448-31-2) is a thiophene-based organic compound with the molecular formula C14H18S2 and a molecular weight of 250.42 g/mol. This material is primarily utilised in the field of materials science, particularly within organic and printed electronics. Its specific structure makes it a valuable building block for advanced electronic applications and as a synthetic reagent.
- Synonyms
- C14H18S2

Organic Electronics
Serves as a key monomer or building block for the synthesis of organic semiconductors used in applications like organic field-effect transistors (OFETs) and organic photovoltaics (OPVs).
Materials Science Research
Investigated for its optoelectronic properties, enabling the development of novel materials for advanced electronic devices and sensors.
Synthetic Chemistry
Employed as a valuable intermediate or reagent in the synthesis of more complex organic molecules and functional materials.
| Molecular weight | 250.42 |
|---|---|
| Empirical formula | C14H18S2 |
| Assay | 97% |
| Boiling point | 355 °C(lit.) |
| Density | 1.060 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.5890(lit.) |


Hazard statements
- H301Toxic if swallowed
- H318Causes serious eye damage
- H413May cause long-lasting harmful effects to aquatic life
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Transport (UN / ADR) | UN 2810 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 25-41 |
| Safety statements (S) | 26-37/39-45 |
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-Hexyl-2,2′-bithiophene used for?
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5-Hexyl-2,2′-bithiophene is used in materials science, organic and printed electronics, and as a synthetic tool and reagent. It is a building block for organic semiconductors.
What are the CAS number and formula for 5-Hexyl-2,2′-bithiophene?
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The CAS number is 173448-31-2 and the empirical formula is C14H18S2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Hexyl-2,2′-bithiophene with an assay of 97%. This product is supplied for research and development purposes and is not represented as USP, EP, BP or pharmaceutical grade.
How should 5-Hexyl-2,2′-bithiophene be handled safely?
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5-Hexyl-2,2′-bithiophene is classified as Danger, with hazards including H301 (Toxic if swallowed) and H318 (Causes serious eye damage). Appropriate personal protective equipment such as eyeshields, face shields, gloves, and respiratory protection should be used. Refer to the safety data sheet for comprehensive handling instructions.
How is 5-Hexyl-2,2′-bithiophene packed, shipped, and exported?
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As a global supplier, Tech Serve Solutions adheres to all regulations for packing, shipping, and exporting chemicals. Specific packaging details are available upon request, and shipments comply with international transport regulations, including UN 2810 for hazardous materials.
How can I request a sample or a quote for 5-Hexyl-2,2′-bithiophene?
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To request a sample or a quote, please contact our sales team via the website or email, providing your contact details and the required quantity.
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