3-Bromo-4′-fluorodiphenyl ether
3-Bromo-4′-fluorodiphenyl ether (CAS: 50904-38-6), with the molecular formula BrC6H4OC6H4F and a molecular weight of 267.09 g/mol, is a fluorinated aromatic compound. It serves as a valuable building block in organic synthesis, particularly for the construction of more complex molecules. This chemical is primarily utilised in research and development settings and in the fine chemical industry for its specific reactivity, enabling the introduction of brominated and fluorinated diphenyl ether moieties into target structures.

Organic Synthesis Intermediate
Utilised as a key intermediate in multi-step organic synthesis for the creation of novel chemical entities. Its structure allows for further functionalisation via reactions involving the bromine atom or modification of the aromatic rings.
Pharmaceutical Research
Serves as a building block in the development of potential pharmaceutical candidates. The diphenyl ether scaffold with halogen substituents can be incorporated into molecules designed for various therapeutic targets.
Materials Science
Investigated for its potential use in the synthesis of specialised polymers or advanced materials where the unique electronic or physical properties conferred by the fluorinated and brominated diphenyl ether structure are beneficial.
| Molecular weight | 267.09 |
|---|---|
| Linear formula | BrC6H4OC6H4F |
| Assay | 97% |
| Boiling point | 220 °C/25 mmHg(lit.) |
| Refractive index | n20/D 1.5869 |
| Melting point | 33-37 °C |



Hazard statements
- H302Harmful if swallowed
- H318Causes serious eye damage
- H410Very toxic 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
- P501Dispose of contents and container per local regulations
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Transport (UN / ADR) | UN 3082 9 / PGIII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 22-41-51/53 |
| Safety statements (S) | 26-39-61 |
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 3-Bromo-4′-fluorodiphenyl ether used for?
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3-Bromo-4′-fluorodiphenyl ether is primarily used as an intermediate in organic synthesis, particularly in pharmaceutical research and potentially in materials science, for constructing complex molecules.
What is the CAS number and molecular formula for 3-Bromo-4′-fluorodiphenyl ether?
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The CAS number is 50904-38-6 and the molecular formula is BrC6H4OC6H4F.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Bromo-4′-fluorodiphenyl ether with a minimum assay of 97%. This product is suitable for research and general chemical synthesis and is not supplied as USP, BP, or EP grade.
How should 3-Bromo-4′-fluorodiphenyl ether be handled safely?
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Handle with appropriate personal protective equipment, including eyeshields, face shields, and gloves. Ensure adequate ventilation and use a suitable respirator if exposure limits may be exceeded, as indicated by Danger, H302 (Harmful if swallowed), H318 (Causes serious eye damage), and H410 (Very toxic to aquatic life with long lasting effects) hazards.
How is 3-Bromo-4′-fluorodiphenyl ether packed, shipped, and exported?
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3-Bromo-4′-fluorodiphenyl ether is packaged in compliance with international regulations for hazardous materials, including UN 3082 classification for transport. Tech Serve Solutions exports this chemical globally.
How can I request a sample or quote for 3-Bromo-4′-fluorodiphenyl ether?
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Please contact the Tech Serve Solutions sales department via our website or direct inquiry to request a sample or a quotation for 3-Bromo-4′-fluorodiphenyl ether.
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