5-Bromo-2,4-dihydroxybenzoic acid monohydrate
5-Bromo-2,4-dihydroxybenzoic acid monohydrate (CAS: 160348-98-1) is a specialized organic compound with a molecular weight of 251.03 g/mol. This chemical building block, often identified by its formula BrC6H2(OH)2CO2H · H2O, finds utility in sophisticated analytical techniques. It has been employed as a critical component in electrolyte formulations for isotachophoresis, enabling the precise separation of selenoamino acids on microchip platforms, contributing to advancements in biochemical research.
- Synonyms
- BrC6H2(OH)2CO2H · H2O

Isotachophoresis Electrolyte
Utilised as an electrolyte in isotachophoresis separation processes. This application is particularly noted for its use in the microchip-based separation of various selenoamino acids, including selenoethionine, selenocystine, and selenomethionine.
Organic Synthesis Building Block
Serves as a versatile building block in organic synthesis. Its structure, featuring hydroxyl, carboxyl, and bromo functional groups, allows for diverse chemical transformations in the development of complex molecules.
Research and Development
A valuable reagent in research laboratories for exploring new chemical pathways and developing novel analytical methodologies. Its specific chemical properties make it suitable for niche applications in chemical and biochemical research.
| Molecular weight | 251.03 |
|---|---|
| Linear formula | BrC6H2(OH)2CO2H · H2O |
| Assay | 98% |
| Solubility | methanol: soluble25 mg/mL, clear, colorless to faintly yellow |
| Application | 5-Bromo-2,4-dihydroxybenzoic acid has been used as electrolyte for isotachophoresis separation of selenoamino acids (selenoethionine, selenocystine and selenomethionine) on microchips1. |
| Melting point | 209-210 °C(lit.) |

Hazard statements
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36-52 |
| Safety statements (S) | 26 |
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 5-Bromo-2,4-dihydroxybenzoic acid monohydrate used for?
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It is used as an electrolyte for isotachophoresis separation of selenoamino acids and as a building block in organic synthesis and research.
What are the CAS number and formula for 5-Bromo-2,4-dihydroxybenzoic acid monohydrate?
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The CAS number is 160348-98-1 and the linear formula is BrC6H2(OH)2CO2H · H2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical with an assay of 98%. We do not represent it as USP, BP, or EP grade.
How should 5-Bromo-2,4-dihydroxybenzoic acid monohydrate be handled?
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This compound is a warning agent and causes serious eye irritation (H319). In case of contact with eyes, rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Handle in a well-ventilated area and avoid contact with skin and eyes.
Can Tech Serve Solutions export this chemical?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals.
How can I request a quote or sample?
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Please contact our sales team through our website or by phone to request a quote or a sample of 5-Bromo-2,4-dihydroxybenzoic acid monohydrate.
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