4-Amino-3,5-dibromopyridine
4-Amino-3,5-dibromopyridine (CAS: 84539-34-4), with the molecular formula C5H4Br2N2 and a molecular weight of 251.91 g/mol, is a halogenated pyridine derivative. It serves as a valuable building block in organic synthesis, particularly for the construction of complex heterocyclic compounds. Its primary applications are found within chemical research and development sectors, facilitating the creation of novel molecules with potential pharmaceutical or material science applications. This compound is supplied by TSS with an assay of 95%.
- IUPAC
- 3,5-Dibromo-4-pyridinamine
- Synonyms
- C5H4Br2N23,5-Dibromo-4-pyridinamine

Organic Synthesis Intermediate
Utilised as a key intermediate in multi-step organic synthesis pathways. Its structure allows for diverse chemical modifications, making it suitable for introducing substituted pyridine moieties into larger molecules.
Heterocyclic Chemistry Research
A useful reagent for researchers in heterocyclic chemistry. It enables the study and development of new pyridine-based compounds, which are prevalent in medicinal chemistry and materials science.
Pharmaceutical R&D
Employed in the early stages of drug discovery and development to synthesise novel chemical entities. The dibromopyridine scaffold can be elaborated to explore structure-activity relationships.
| Molecular weight | 251.91 |
|---|---|
| Empirical formula | C5H4Br2N2 |
| Assay | 95% |
| Melting point | 165-170 °C |


Hazard statements
- H301Toxic if swallowed
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 25-37/38-41 |
| Safety statements (S) | 26-45 |
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-Amino-3,5-dibromopyridine used for?
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4-Amino-3,5-dibromopyridine is primarily used as a building block in organic synthesis and heterocyclic chemistry research. It is valuable for constructing more complex molecules, including potential pharmaceutical candidates.
What is the CAS number and molecular formula for 4-Amino-3,5-dibromopyridine?
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The CAS number is 84539-34-4, and the molecular formula is C5H4Br2N2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Amino-3,5-dibromopyridine with an assay of 95%. This product is not represented as USP, BP, or EP grade.
What are the primary safety concerns when handling 4-Amino-3,5-dibromopyridine?
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4-Amino-3,5-dibromopyridine is classified as Dangerous. It is harmful if swallowed (H301), causes skin irritation (H315), causes serious eye damage (H318), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment in a well-ventilated area.
How is 4-Amino-3,5-dibromopyridine packed and exported?
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This chemical is shipped under UN 2811, Hazard Class 6.1, Packing Group III. TSS is an experienced global supplier and exporter of fine chemicals, ensuring compliant packaging and documentation for international shipments.
How can I request a sample or a quote for 4-Amino-3,5-dibromopyridine?
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To request a sample or a quote, please contact the TSS sales team directly through our website or by phone, providing your specific requirements and delivery details.
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