4-Bromo-3-chlorobenzoic acid
4-Bromo-3-chlorobenzoic acid (CAS: 25118-59-6), with the molecular formula BrC6H3(Cl)CO2H and a molecular weight of 235.46 g/mol, is a halogenated aromatic carboxylic acid. This compound serves as a crucial building block in organic synthesis. Its structure, featuring both bromine and chlorine substituents alongside a carboxylic acid group, makes it a versatile intermediate for creating more complex molecules in pharmaceutical research and fine chemical manufacturing.

Organic Synthesis Intermediate
4-Bromo-3-chlorobenzoic acid is used as a key intermediate in the synthesis of various organic compounds. Its reactive sites allow for diverse chemical transformations, enabling the construction of complex molecular architectures.
Pharmaceutical Research
This compound serves as a valuable building block for the development of novel pharmaceutical agents. Its unique substitution pattern can be incorporated into lead compounds during drug discovery processes.
Fine Chemical Manufacturing
Utilised in the production of fine chemicals, 4-Bromo-3-chlorobenzoic acid contributes to the creation of specialised molecules for diverse industrial applications.
| Molecular weight | 235.46 |
|---|---|
| Linear formula | BrC6H3(Cl)CO2H |
| Assay | 97% |
| Melting point | 220-224 °C |


Hazard statements
- H301Toxic if swallowed
- H400Very toxic to aquatic life
Precautionary statements
- P273Avoid release to the environment
- P301IF SWALLOWED
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 2811 6.1/PG 3 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 22-50/53 |
| Safety statements (S) | 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-Bromo-3-chlorobenzoic acid used for?
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4-Bromo-3-chlorobenzoic acid is primarily used as a building block and intermediate in organic synthesis, particularly in pharmaceutical research and fine chemical manufacturing.
What are the CAS number and formula for 4-Bromo-3-chlorobenzoic acid?
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The CAS number for 4-Bromo-3-chlorobenzoic acid is 25118-59-6, and its molecular formula is BrC6H3(Cl)CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Bromo-3-chlorobenzoic acid with an assay of 97%. This product is intended for research and laboratory use, and is not represented as USP, BP, or EP grade.
How should 4-Bromo-3-chlorobenzoic acid be handled safely?
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4-Bromo-3-chlorobenzoic acid is classified as Danger, with hazards H301 (Toxic if swallowed) and H400 (Very toxic to aquatic life). Handle with appropriate personal protective equipment including a dust mask type N95, eyeshields, faceshields, and gloves. Avoid release to the environment. Ensure adequate ventilation and avoid dust formation.
Is 4-Bromo-3-chlorobenzoic acid available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 4-Bromo-3-chlorobenzoic acid, adhering to all international shipping regulations.
How can I request a quote or sample?
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To request a quote or a sample of 4-Bromo-3-chlorobenzoic acid, please contact our sales department through the website or by phone, providing your specific requirements.
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