4-Bromo-3-fluorophenol
4-Bromo-3-fluorophenol (CAS: 121219-03-2) is an organic compound with the molecular formula C6H4BrFO and a molecular weight of 191.00 g/mol. This halogenated phenol serves as a valuable building block in organic synthesis. It is primarily utilised in chemical research and the development of novel organic molecules. Its specific chemical structure makes it a useful intermediate for introducing fluorinated and brominated phenyl moieties into more complex compounds.

Organic Synthesis Intermediate
4-Bromo-3-fluorophenol is employed as a key intermediate in the synthesis of complex organic molecules. Its reactivity allows for further functionalization in multi-step synthetic pathways.
Research and Development
This compound is utilised in academic and industrial research laboratories for the exploration of new chemical entities and reaction methodologies. It is a component in the development of novel materials and pharmaceuticals.
Building Block for Fine Chemicals
As a halogenated phenol, it acts as a foundational component for the construction of various fine chemicals. The bromine and fluorine substituents offer distinct sites for chemical transformations.
| Molecular weight | 191.00 |
|---|---|
| Empirical formula | C6H4BrFO |


Hazard statements
- H302Harmful if swallowed
- H318Causes serious eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-41 |
| Safety statements (S) | 26-39 |
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-3-fluorophenol used for?
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4-Bromo-3-fluorophenol is used as a building block and intermediate in organic synthesis, particularly in research and development for creating new organic molecules and fine chemicals.
What are the CAS number and formula for 4-Bromo-3-fluorophenol?
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The CAS number for 4-Bromo-3-fluorophenol is 121219-03-2, and its empirical formula (Hill notation) is C6H4BrFO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Bromo-3-fluorophenol typically as a research or technical grade chemical. We do not represent this product as USP, BP, or EP grade unless explicitly stated in the product specifications. Please refer to the specifications for exact purity details.
What are the safety considerations for handling 4-Bromo-3-fluorophenol?
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4-Bromo-3-fluorophenol is classified as Danger. It is harmful if swallowed (H302) and causes serious eye damage (H318). Appropriate personal protective equipment, including eye protection (P280, P305 + P351 + P338), should be worn. Handle in a well-ventilated area.
How is 4-Bromo-3-fluorophenol packed, shipped, and exported?
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We ensure secure and compliant packaging for all our chemicals, adhering to international shipping regulations. Tech Serve Solutions is an experienced global exporter of fine chemicals and laboratory reagents.
How can I request a quote or sample for 4-Bromo-3-fluorophenol?
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To request a quote or a sample of 4-Bromo-3-fluorophenol, please contact our sales team through the website or provide your details via the product inquiry form.
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