4′-Bromobiphenyl-3-carboxylic acid
4′-Bromobiphenyl-3-carboxylic acid (CAS: 885951-66-6; Formula: BrC6H4C6H4CO2H) is a specialised organic compound with a molecular weight of 277.11. As a functionalised biphenyl derivative featuring both a bromine atom and a carboxylic acid group, it serves as a versatile building block in organic synthesis. This compound is primarily utilised in research and development settings for the construction of more complex molecular architectures, particularly within the fields of materials science and medicinal chemistry.
- IUPAC
- 3-(4-Bromophenyl)benzoic acid
- Synonyms
- 3-(4-Bromophenyl)benzoic acid

Organic Synthesis Intermediate
This compound acts as a key intermediate in multi-step organic syntheses. The bromine substituent allows for various cross-coupling reactions, while the carboxylic acid moiety can undergo esterification, amidation, or reduction.
Building Block for Materials Science
Its biphenyl core and reactive functional groups make it suitable for incorporation into polymers or functional materials. These materials may find applications in areas such as organic electronics or advanced coatings.
Precursor in Medicinal Chemistry
The structural motif present in 4′-Bromobiphenyl-3-carboxylic acid can be a valuable starting point for the synthesis of novel drug candidates. Researchers may utilise it to explore new therapeutic agents.
| Molecular weight | 277.11 |
|---|---|
| Linear formula | BrC6H4C6H4CO2H |
| Assay | 95% |
| Melting point | 194-198 °C |


Hazard statements
- H302Harmful if swallowed
- H319Causes serious eye irritation
- H411Toxic to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
- P305IF IN EYES
| Transport (UN / ADR) | UN 3077 9 / PGIII |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi,N |
| Risk statements (R) | 22-36-51/53 |
| Safety statements (S) | 26-61 |
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′-Bromobiphenyl-3-carboxylic acid used for?
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4′-Bromobiphenyl-3-carboxylic acid is primarily used as a versatile building block in organic synthesis, particularly in research and development for creating complex molecules in areas like materials science and medicinal chemistry.
What is the CAS number and chemical formula for 4′-Bromobiphenyl-3-carboxylic acid?
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The CAS number is 885951-66-6, and the chemical formula is BrC6H4C6H4CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound at an assay of 95%. We do not represent it as meeting USP, BP, EP, or any other pharmacopoeia standards.
What are the safety considerations when handling 4′-Bromobiphenyl-3-carboxylic acid?
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This compound carries a Warning signal word, with hazards including H302 (Harmful if swallowed), H319 (Causes serious eye irritation), and H411 (Toxic to aquatic life with long lasting effects). Handle with appropriate personal protective equipment in a well-ventilated area, and avoid release to the environment.
How is 4′-Bromobiphenyl-3-carboxylic acid packed and shipped?
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As a global supplier and exporter, Tech Serve Solutions ensures products are appropriately packed according to transport regulations. This item is shipped under UN 3077, Hazard Class 9, Packing Group III.
How can I request a quote or sample?
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To request a quote or a sample, please contact our sales team through the website or call us directly. Specify the product name and CAS number for efficient processing.
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