5′-Bromo-2,2′-bithiophene-5-carboxaldehyde
5′-Bromo-2,2′-bithiophene-5-carboxaldehyde (CAS: 110046-60-1) is a halogenated thiophene derivative with the molecular formula C9H5BrOS2 and a molecular weight of 273.17 g/mol. This compound serves as a valuable building block in organic synthesis, particularly in the development of novel materials and pharmaceutical intermediates. Its reactive aldehyde and bromo-thiophene functionalities allow for diverse chemical transformations, making it a key component in research and development laboratories.
- IUPAC
- 5′-Bromo-2,2′-bithienyl-5-carboxaldehyde,5′-Bromo-2,2′-bithiophene-5-carbaldehyde,5′-Bromo-[2,2′]bithiophene-5-carboxaldehyde
- Synonyms
- 5′-Bromo-2,2′-bithienyl-5-carboxaldehyde5′-Bromo-2,2′-bithiophene-5-carbaldehyde5′-Bromo-[2,2′]bithiophene-5-carboxaldehyde

Organic Synthesis Intermediate
This compound is utilised as a key intermediate in the synthesis of complex organic molecules. The presence of both a brominated bithiophene core and an aldehyde group enables versatile derivatization for constructing targeted structures.
Materials Science
The bithiophene structure suggests potential applications in materials science, particularly in the development of organic semiconductors, conductive polymers, and optoelectronic devices. Its incorporation can tune the electronic and optical properties of resulting materials.
Pharmaceutical Research
As a heterocyclic building block, it finds application in medicinal chemistry for the synthesis of potential drug candidates. The thiophene moiety is present in various pharmacologically active compounds.
| Molecular weight | 273.17 |
|---|---|
| Empirical formula | C9H5BrOS2 |
| Assay | 97% |
| Storage temperature | 2-8°C |
| Melting point | 140-145 °C |

Hazard statements
- H301Toxic if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P301IF SWALLOWED
- P305IF IN EYES
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 25-36/37/38 |
| Safety statements (S) | 26-36/37-45 |
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′-Bromo-2,2′-bithiophene-5-carboxaldehyde primarily used for?
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This compound is primarily used as a building block in organic synthesis, finding applications in materials science and pharmaceutical research due to its reactive aldehyde and brominated bithiophene structure.
What is the CAS number and molecular formula?
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The CAS number is 110046-60-1 and the molecular formula is C9H5BrOS2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product with a purity of 97%. We do not represent it as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated.
How should 5′-Bromo-2,2′-bithiophene-5-carboxaldehyde be handled safely?
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This compound is classified as Dangerous (GHS06, Danger) and is harmful if swallowed, causes skin irritation, causes serious eye irritation, and may cause respiratory irritation (H301-H315-H319-H335). Handle with appropriate personal protective equipment in a well-ventilated area, avoiding dust formation. Refer to the safety data sheet for detailed handling instructions.
Is this chemical suitable for export or shipping?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals. This compound is shipped and exported under UN 2811, Hazard Class 6.1, Packing Group III.
How can I request a sample or quote?
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To request a sample or a quote, please contact our sales team through the website or by phone, providing the product name and CAS number (110046-60-1).
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