4,5-Dibromo-1-methyl-1H-imidazole
4,5-Dibromo-1-methyl-1H-imidazole (CAS: 1003-50-5) is a halogenated heterocyclic organic compound with the molecular formula C4H4Br2N2. This imidazole derivative serves as a valuable building block in organic synthesis, particularly for the preparation of more complex molecules. Its chemical structure, featuring two bromine atoms on the imidazole ring, offers versatile reactivity for further functionalisation in research and development settings.
- Synonyms
- C4H4Br2N24,5-Dibromo-1-methylimidazole

Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of novel organic compounds, including pharmaceuticals and agrochemicals. The bromine substituents allow for various cross-coupling reactions and nucleophilic substitutions.
Heterocyclic Chemistry Research
A useful reagent for exploring the chemistry of halogenated imidazoles. It enables the construction of diverse heterocyclic scaffolds for medicinal chemistry and materials science applications.
Building Block for Functional Materials
Can be incorporated into larger molecular structures for the development of functional materials with specific electronic or optical properties. Its rigid heterocyclic core is advantageous for such designs.
| Molecular weight | 239.90 |
|---|---|
| Empirical formula | C4H4Br2N2 |
| Assay | 95% |
| Melting point | 78-82 °C |


Hazard statements
- H302Harmful if swallowed
- H318Causes serious eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-41 |
| Safety statements (S) | 26-39 |
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 4,5-Dibromo-1-methyl-1H-imidazole used for?
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4,5-Dibromo-1-methyl-1H-imidazole is primarily used as a building block and intermediate in organic synthesis, particularly in the development of pharmaceuticals, agrochemicals, and functional materials.
What is the CAS number and chemical formula for 4,5-Dibromo-1-methyl-1H-imidazole?
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The CAS number is 1003-50-5 and the chemical formula is C4H4Br2N2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4,5-Dibromo-1-methyl-1H-imidazole with an assay of 95%. We do not represent this product as USP, BP, or EP grade.
How should 4,5-Dibromo-1-methyl-1H-imidazole be handled?
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This compound is classified as Danger, indicated by GHS05 and GHS07 symbols. It is harmful if swallowed (H302) and causes serious eye damage (H318). Wear protective gloves and eye/face protection (P280, P305 + P351 + P338). In case of contact with eyes, rinse cautiously with water for several minutes, removing contact lenses if present and easy to do. Continue rinsing.
Is 4,5-Dibromo-1-methyl-1H-imidazole a controlled substance?
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The provided data does not indicate that 4,5-Dibromo-1-methyl-1H-imidazole is a controlled substance.
How is 4,5-Dibromo-1-methyl-1H-imidazole packed and shipped?
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Tech Serve Solutions exports fine chemicals globally. Specific packaging and shipping details will be provided upon inquiry, adhering to all relevant international regulations.
How can I request a quote or sample for 4,5-Dibromo-1-methyl-1H-imidazole?
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Please contact our sales team via the website or direct inquiry to request a quotation or a sample of 4,5-Dibromo-1-methyl-1H-imidazole.
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