5-Bromo-1,2,3-trifluorobenzene
5-Bromo-1,2,3-trifluorobenzene (CAS: 138526-69-9) is a halogenated aromatic compound with the linear formula BrC<sub>6</sub>H<sub>2</sub>F<sub>3</sub> and a molecular weight of 210.98 g/mol. This fluorinated building block serves as a key intermediate in organic synthesis. It is primarily utilised in the development of advanced materials, pharmaceuticals, and agrochemicals, owing to the unique reactivity imparted by its bromine and fluorine substituents.
- IUPAC
- 1-Bromo-3,4,5-trifluorobenzene
- Synonyms
- 138526-69-9BrC6H2F31-Bromo-3,4,5-trifluorobenzene

Organic Synthesis Intermediate
Utilised as a building block in the synthesis of more complex organic molecules. Its trifluorinated phenyl ring and bromine atom offer versatile reaction sites for cross-coupling and substitution reactions.
Pharmaceutical Research
A valuable precursor for the development of novel pharmaceutical candidates. Fluorinated aromatic structures are often incorporated into drug molecules to modulate properties such as metabolic stability and lipophilicity.
Agrochemical Development
Serves as a component in the synthesis of new agrochemical agents. The incorporation of fluorine can enhance the efficacy and environmental profile of pesticides and herbicides.
Materials Science
Employed in the creation of specialised polymers and advanced materials. The presence of halogens can influence the electronic and physical properties of resulting materials.
| Molecular weight | 210.98 |
|---|---|
| Linear formula | BrC6H2F3 |
| Assay | ≥97.0% (GC) |
| Grade | purum |
| Boiling point | 47-49 °C/60 mmHg(lit.) |
| Density | 1.767 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.482(lit.)n20/D 1.482 |




Hazard statements
- H226Flammable liquid and vapour
- H315Causes skin irritation
- H318Causes serious eye damage
- H351Suspected of causing cancer
- H411Toxic to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 45 °C / 113 °F |
| Transport (UN / ADR) | UN 1993C 3 / PGIII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 10-38-40-41-51/53 |
| Safety statements (S) | 23-26-36/37/39-61 |
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 5-Bromo-1,2,3-trifluorobenzene used for?
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5-Bromo-1,2,3-trifluorobenzene is primarily used as an intermediate in organic synthesis, particularly for the development of pharmaceuticals, agrochemicals, and advanced materials.
What is the CAS number and formula for 5-Bromo-1,2,3-trifluorobenzene?
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The CAS number is 138526-69-9 and the linear formula is BrC<sub>6</sub>H<sub>2</sub>F<sub>3</sub>.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound at a purum grade with an assay of ≥97.0% (GC). We do not represent it as USP, BP, or EP grade.
How should 5-Bromo-1,2,3-trifluorobenzene be handled?
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This compound is flammable and causes serious eye damage. It is suspected of causing cancer and is toxic to aquatic life with long lasting effects. Handle with appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection, and ensure adequate ventilation. Avoid release to the environment.
Is this chemical exported by Tech Serve Solutions?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 5-Bromo-1,2,3-trifluorobenzene.
How can I request a sample or quote?
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To request a sample or a quotation for 5-Bromo-1,2,3-trifluorobenzene, please contact our sales department through the website or by phone.
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