1-Bromo-4-fluoronaphthalene
1-Bromo-4-fluoronaphthalene (CAS: 341-41-3) is an organic compound with the molecular formula FC10H6Br and a molecular weight of 225.06 g/mol. This halogenated aromatic compound serves as a valuable building block in organic synthesis, particularly within the fine chemical and pharmaceutical sectors. Its structure allows for diverse chemical transformations, making it a key intermediate for creating more complex molecular architectures.

Organic Synthesis Intermediate
Utilised as a precursor in the synthesis of complex organic molecules. The presence of both bromine and fluorine atoms provides distinct reactivity for cross-coupling reactions and nucleophilic aromatic substitution.
Pharmaceutical Research
A building block for the development of novel pharmaceutical candidates. Its fluoronaphthalene core can be incorporated into drug discovery programmes targeting various therapeutic areas.
Materials Science
Investigated for its potential use in the development of advanced materials, such as organic electronic components, due to its aromatic and halogenated structure.
| Molecular weight | 225.06 |
|---|---|
| Linear formula | FC10H6Br |
| Assay | 97% |
| Melting point | 35-38 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Flash point | 110 °C / 230 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 1-Bromo-4-fluoronaphthalene used for?
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1-Bromo-4-fluoronaphthalene is used as a building block and intermediate in organic synthesis, particularly for pharmaceutical research and materials science applications.
What are the CAS number and molecular formula for 1-Bromo-4-fluoronaphthalene?
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The CAS number is 341-41-3 and the molecular formula is FC10H6Br.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Bromo-4-fluoronaphthalene with a minimum assay of 97%. This product is supplied for research and development purposes and is not intended for USP, BP, EP, or other pharmacopoeia grades.
How should 1-Bromo-4-fluoronaphthalene be handled safely?
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1-Bromo-4-fluoronaphthalene is a Warning substance that can cause skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Recommended personal protective equipment includes a dust mask (type N95 US), eyeshields, and gloves. Handle in a well-ventilated area and avoid breathing dust.
Is 1-Bromo-4-fluoronaphthalene packed and shipped internationally?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals and can ship 1-Bromo-4-fluoronaphthalene worldwide.
How can I request a quote or sample for 1-Bromo-4-fluoronaphthalene?
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Please contact our sales team or use the online enquiry form to request a quote or sample for 1-Bromo-4-fluoronaphthalene.
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