2-Bromo-5-methylthiophene
2-Bromo-5-methylthiophene (CAS 765-58-2, C5H5BrS) is a halogenated heterocyclic compound with a molecular weight of 177.06 g/mol. Supplied by Tech Serve Solutions, this thiophene derivative serves as a valuable building block in organic synthesis. Its chemical structure makes it suitable for various chemical transformations, contributing to the development of complex molecules in research and industrial applications. TSS offers this compound with an assay of 95%.

Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of more complex organic molecules. Its reactive bromine atom and thiophene ring allow for diverse coupling reactions and functional group transformations.
Heterocyclic Chemistry Research
A valuable reagent in research laboratories for exploring novel thiophene-based compounds. It can be used in the preparation of materials with potential electronic or pharmaceutical properties.
Building Block for Fine Chemicals
Serves as a fundamental building block for the creation of fine chemicals and speciality reagents. Its structure is amenable to modifications for targeted applications.
| Molecular weight | 177.06 |
|---|---|
| Empirical formula | C5H5BrS |
| Assay | 95% |
| Boiling point | 65 °C/15 mmHg(lit.) |
| Density | 1.552 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.569(lit.) |
| Storage temperature | 2-8°C |
| Contains / stabiliser | 0.1% copper chips as stabilizer0.4% powdered NaHCO3 as stabilizer |
| Flash point | 78 °C / 172.4 °F |
|---|---|
| Water hazard class (WGK, DE) | 3 |
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 2-Bromo-5-methylthiophene used for?
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2-Bromo-5-methylthiophene (CAS 765-58-2) is primarily used as a valuable building block and intermediate in organic synthesis, particularly within heterocyclic and fine chemical research and development.
What is the CAS number and formula for 2-Bromo-5-methylthiophene?
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The CAS number for 2-Bromo-5-methylthiophene is 765-58-2, and its empirical formula is C5H5BrS.
What grade and purity does Tech Serve Solutions supply for 2-Bromo-5-methylthiophene?
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Tech Serve Solutions supplies 2-Bromo-5-methylthiophene with a minimum assay of 95%. TSS does not represent this product as USP, BP, EP, or other pharmacopoeia grades; it is suitable for research and chemical synthesis purposes.
How should 2-Bromo-5-methylthiophene be handled and stored?
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2-Bromo-5-methylthiophene is a combustible liquid with a flash point of 78°C (172.4°F). It should be stored under refrigeration at 2-8°C, away from heat and ignition sources. Handle with appropriate personal protective equipment in a well-ventilated area.
Is 2-Bromo-5-methylthiophene a controlled substance?
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The provided data does not indicate that 2-Bromo-5-methylthiophene is a controlled substance.
How is 2-Bromo-5-methylthiophene packed and shipped?
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2-Bromo-5-methylthiophene is stabilised with copper chips and powdered NaHCO3. It is available for domestic and international export; please contact TSS for specific packaging and shipping details relevant to your region.
How can I request a quote or sample for 2-Bromo-5-methylthiophene?
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To request a quote or a sample of 2-Bromo-5-methylthiophene, please contact the Tech Serve Solutions sales team via our website or direct inquiry channels.
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