4,4′′-Dibromo-p-terphenyl
4,4′′-Dibromo-p-terphenyl (CAS: 17788-94-2) is an organic compound with the molecular formula C18H12Br2 and a molecular weight of 388.10 g/mol. This brominated aromatic hydrocarbon serves as a valuable building block in organic synthesis. It is primarily utilised in the development of advanced materials, such as organic semiconductors and liquid crystals, owing to its rigid terphenyl core and reactive bromine substituents.
- IUPAC
- 4,4′′−Dibromo-1,1′:4′,1′′-terphenyl
- Synonyms
- 4,4′′−Dibromo-1,1′:4′,1′′-terphenyl
Organic Synthesis Intermediate
4,4′′-Dibromo-p-terphenyl functions as a key intermediate in the synthesis of more complex organic molecules. Its bromine atoms can be readily functionalised through various cross-coupling reactions for constructing extended pi-conjugated systems.
Materials Science
This compound is employed in the research and development of novel organic electronic materials. It can be incorporated into polymers or small molecules for applications in organic light-emitting diodes (OLEDs) and organic field-effect transistors (OFETs).
Liquid Crystal Research
The rigid, rod-like structure of the terphenyl unit makes 4,4′′-Dibromo-p-terphenyl a candidate for developing new liquid crystalline materials. These materials are essential for display technologies and other optical applications.
| Molecular weight | 388.10 |
|---|---|
| Empirical formula | C18H12Br2 |
| Melting point | 307-313 °C |
Hazard statements
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- 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 | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 3152PSN2 9 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi,N |
| Risk statements (R) | 37/38-41-50/53 |
| Safety statements (S) | 26-39-60-61 |
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 4,4′′-Dibromo-p-terphenyl used for?
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4,4′′-Dibromo-p-terphenyl is used as an intermediate in organic synthesis, particularly in materials science for developing organic semiconductors, liquid crystals, and other advanced materials. It acts as a building block for constructing complex organic molecules with extended pi-conjugated systems.
What are the CAS number and formula for 4,4′′-Dibromo-p-terphenyl?
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The CAS number for 4,4′′-Dibromo-p-terphenyl is 17788-94-2, and its empirical formula is C18H12Br2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4,4′′-Dibromo-p-terphenyl for research and development purposes. Purity information is available on the product's Certificate of Analysis. We do not represent this product as USP, BP, or EP grade.
How should 4,4′′-Dibromo-p-terphenyl be handled safely?
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4,4′′-Dibromo-p-terphenyl is a Danger-level chemical. Handle with appropriate personal protective equipment, including a dust mask (type N95 or equivalent), eyeshields, and gloves. Avoid dust formation and ensure good ventilation. It is harmful if inhaled and causes serious eye damage and skin irritation. It is also toxic to aquatic life with long-lasting effects.
How is 4,4′′-Dibromo-p-terphenyl shipped and exported?
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4,4′′-Dibromo-p-terphenyl is shipped and exported according to international regulations for hazardous materials, classified under UN 3152, Packing Group II. Tech Serve Solutions has extensive experience in global export.
How can I request a sample or quote for 4,4′′-Dibromo-p-terphenyl?
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To request a sample or a quote for 4,4′′-Dibromo-p-terphenyl, please contact our sales department via the website or direct email, providing your specific requirements and shipping details.
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