4-Bromo-2-fluorobenzotrifluoride
4-Bromo-2-fluorobenzotrifluoride (CAS: 142808-15-9) is a valuable trifluoromethylated aryl compound with the molecular formula C7H3BrF4 and a molecular weight of 243.00 g/mol. It serves as a key building block in organic synthesis, particularly for introducing fluorinated moieties into complex molecules. This compound is widely utilised in the development of pharmaceuticals, agrochemicals, and advanced materials due to its unique structural features.

Organic Synthesis Intermediate
Serves as a versatile building block for constructing complex organic molecules, especially those requiring trifluoromethyl and bromo-fluoroaryl substituents. Its reactivity allows for diverse transformations in multi-step synthesis pathways.
Pharmaceutical Research and Development
Essential intermediate in the synthesis of novel drug candidates. The trifluoromethyl group often enhances metabolic stability and lipophilicity, crucial properties in medicinal chemistry.
Agrochemical Development
Utilised in the design and synthesis of new pesticides, herbicides, and fungicides. The incorporation of fluorine can lead to enhanced biological activity and improved environmental profiles.
Materials Science
Employed in the creation of specialty polymers, liquid crystals, and other advanced materials where its unique electronic and physical properties can be leveraged.
| Molecular weight | 243.00 |
|---|---|
| Empirical formula | C7H3BrF4 |


Hazard statements
- H319Causes serious eye irritation
- H411Toxic to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
- P305IF IN EYES
| Transport (UN / ADR) | UN 3077 9 / PGIII |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi,N |
| Risk statements (R) | 36-51/53 |
| Safety statements (S) | 26-61 |
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 4-Bromo-2-fluorobenzotrifluoride used for?
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4-Bromo-2-fluorobenzotrifluoride is primarily used as a building block in organic synthesis, particularly in the research and development of pharmaceuticals, agrochemicals, and advanced materials.
What is the CAS number and formula for 4-Bromo-2-fluorobenzotrifluoride?
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The CAS number is 142808-15-9 and the empirical formula is C7H3BrF4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Bromo-2-fluorobenzotrifluoride as a research or technical grade chemical. We do not represent it as USP, BP, or EP grade.
How should 4-Bromo-2-fluorobenzotrifluoride be handled?
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Handle 4-Bromo-2-fluorobenzotrifluoride with care. It causes serious eye irritation (H319) and is toxic to aquatic life with long lasting effects (H411). Ensure adequate ventilation and avoid release into the environment. Wear protective gloves and eye protection.
How is 4-Bromo-2-fluorobenzotrifluoride packed and shipped?
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This chemical is carefully packed according to international shipping regulations for hazardous materials and is exported globally by Tech Serve Solutions.
How can I request a quote or sample?
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Please contact our sales team via the website or by phone to request a quote or a sample of 4-Bromo-2-fluorobenzotrifluoride.
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