4,4′-Dibromooctafluorobiphenyl
4,4′-Dibromooctafluorobiphenyl (CAS: 10386-84-2) is a fluorinated aryl building block with a molecular weight of 455.92 g/mol. This compound features a biphenyl core substituted with four fluorine atoms on each ring and bromine atoms at the 4 and 4′ positions. It serves as a specialised reagent in organic synthesis, particularly in research and development settings for creating novel fluorinated materials. Its unique structure makes it valuable for introducing specific properties into larger molecular architectures.
- Synonyms
- BrC6F4C6F4Br

Analytical Standard
4,4′-Dibromooctafluorobiphenyl functions as an internal standard in analytical chemistry. It is specifically utilised for the determination of brominated flame retardants in complex matrices such as sediment samples, often in conjunction with advanced chromatographic techniques.
Organic Synthesis
As a fluorinated aryl building block, this compound is employed in the synthesis of more complex organic molecules. Its reactive bromine sites allow for further functionalisation, making it a versatile intermediate in the development of speciality chemicals and materials.
Materials Science Research
The incorporation of highly fluorinated biphenyl units can impart unique electronic and physical properties to materials. This compound may be used in research for the development of advanced polymers, liquid crystals, or electronic materials where fluorination is desired.
| Molecular weight | 455.92 |
|---|---|
| Linear formula | BrC6F4C6F4Br |
| Assay | 99% |
| Application | 4,4′-Dibromooctafluorobiphenyl was used as internal standard to determine brominated flame retardants in sediment samples using on-line combination of pressurised hot water extraction and liquid chromatography-gas chromatography1. |
| Melting point | 113-115 °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 |
|---|---|
| Transport (UN / ADR) | UN 3152PSN1 9 / PGII |
| 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 4,4′-Dibromooctafluorobiphenyl used for?
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4,4′-Dibromooctafluorobiphenyl is primarily used as an internal standard in analytical chemistry for determining brominated flame retardants and as a building block in organic synthesis for creating specialised fluorinated compounds and materials.
What is the CAS number and molecular formula for 4,4′-Dibromooctafluorobiphenyl?
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The CAS number for 4,4′-Dibromooctafluorobiphenyl is 10386-84-2, and its linear formula is BrC₆F₄C₆F₄Br.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4,4′-Dibromooctafluorobiphenyl with an assay of 99%. This product is suitable for research and technical applications; TSS does not represent it as USP, BP, EP, or other pharmacopoeial grades.
What are the main safety hazards associated with 4,4′-Dibromooctafluorobiphenyl?
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4,4′-Dibromooctafluorobiphenyl is a warning substance classified with H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Appropriate personal protective equipment, including a dust mask (type N95), eyeshields, and gloves, should be worn during handling.
How is 4,4′-Dibromooctafluorobiphenyl packed and shipped?
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The product is packed according to standard chemical handling procedures and is available for export globally by Tech Serve Solutions. Shipping adheres to regulations for hazardous materials, indicated by UN 3152 PSN1 9 / PGII.
How can I request a quote or sample?
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To request a quote or sample of 4,4′-Dibromooctafluorobiphenyl, please contact the Tech Serve Solutions sales team through our official channels.
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