4-Bromo-1H-imidazole
4-Bromo-1H-imidazole (CAS: 2302-25-2), with the molecular formula C3H3BrN2 and a molecular weight of 146.97, is a halogenated heterocyclic compound. It serves as a valuable building block in organic synthesis, particularly for the creation of more complex molecules. This imidazole derivative is primarily used in chemical research and development, facilitating the synthesis of novel compounds.

Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of various organic compounds. Its bromo-imidazole structure allows for diverse chemical transformations and the construction of intricate molecular architectures.
Pharmaceutical Research
A versatile building block for the development of new pharmaceutical agents. It can be incorporated into potential drug candidates, aiding in medicinal chemistry research and drug discovery.
Heterocyclic Chemistry
Employed in the study and synthesis of heterocyclic compounds. Its imidazole core, functionalised with bromine, offers specific reactivity for constructing specialised heterocyclic systems.
| Molecular weight | 146.97 |
|---|---|
| Empirical formula | C3H3BrN2 |
| Assay | 97% |
| Melting point | 131-135 °C(lit.) |

Hazard statements
- H301Toxic if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P301IF SWALLOWED
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 25-36/37/38 |
| Safety statements (S) | 26-36 |
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-1H-imidazole used for?
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4-Bromo-1H-imidazole (CAS: 2302-25-2) is primarily used as a building block in organic synthesis, particularly in pharmaceutical research and the development of heterocyclic compounds.
What are the CAS number and formula for 4-Bromo-1H-imidazole?
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The CAS number for 4-Bromo-1H-imidazole is 2302-25-2, and its empirical formula is C3H3BrN2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Bromo-1H-imidazole with an assay of 97%. This product is intended for research and chemical synthesis purposes; TSS does not represent it as USP, BP, or EP grade.
How should 4-Bromo-1H-imidazole be handled safely?
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4-Bromo-1H-imidazole is classified under GHS06 with the signal word 'Danger'. It carries hazard statements H301 (Toxic if swallowed), H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Appropriate personal protective equipment, including eyeshields, faceshields, gloves, and P2 respirator cartridges, must be used. Handle in a well-ventilated area.
Is 4-Bromo-1H-imidazole a controlled substance?
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The provided data does not indicate that 4-Bromo-1H-imidazole is a controlled substance.
How is 4-Bromo-1H-imidazole packed and shipped?
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4-Bromo-1H-imidazole is classified under UN 2811, Hazard Class 6.1, Packing Group III for transport. Packaging and shipping adhere to relevant regulations for hazardous materials. As a global supplier, TSS has extensive experience in exporting chemicals worldwide.
How can I request a sample or quote for 4-Bromo-1H-imidazole?
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To request a sample or a quotation for 4-Bromo-1H-imidazole, please contact the TSS sales department through the website or by calling our customer service line. Our team will be happy to assist with your inquiry.
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