3-Bromo-5-hydroxybenzoic acid
3-Bromo-5-hydroxybenzoic acid (CAS: 140472-69-1, C7H5BrO3) is a valuable organic compound with a molecular weight of 217.02 g/mol. This brominated hydroxybenzoic acid derivative serves as a versatile building block in chemical synthesis. Its structure makes it suitable for applications in organic chemistry research and the development of novel compounds, particularly within the pharmaceutical and material science sectors. Tech Serve Solutions offers this reagent for research and development purposes.

Organic Synthesis Intermediate
3-Bromo-5-hydroxybenzoic acid is utilised as a key intermediate in multi-step organic syntheses. The presence of bromine and hydroxyl groups allows for various functional group transformations and coupling reactions.
Pharmaceutical Research
This compound can be employed in the synthesis of potential pharmaceutical agents and drug discovery programs. Its structural features may contribute to the biological activity of target molecules.
Material Science
It serves as a precursor for the development of novel polymers and advanced materials where specific chemical functionalities are required.
| Molecular weight | 217.02 |
|---|---|
| Empirical formula | C7H5BrO3 |
| Assay | 97% |
| Melting point | 237-241 °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 |
| Safety statements (S) | 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-5-hydroxybenzoic acid used for?
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3-Bromo-5-hydroxybenzoic acid is primarily used as a building block in organic synthesis, particularly in pharmaceutical research and material science development.
What is the CAS number and molecular formula?
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The CAS number is 140472-69-1 and the molecular formula is C7H5BrO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Bromo-5-hydroxybenzoic acid with an assay of 97%. It is suitable for research and laboratory use and is not represented as USP, BP, or EP grade.
What are the primary safety considerations when handling this chemical?
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This compound is acutely toxic if swallowed (H301) and very toxic to aquatic life (H400). Handle with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, faceshields, and gloves. Ensure good ventilation and avoid release into the environment.
How is 3-Bromo-5-hydroxybenzoic acid packaged and shipped?
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Products are carefully packed and exported according to international shipping regulations for hazardous materials. UN 2811, 6.1/PG 3 classification applies.
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 by phone, providing the product name and CAS number.
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