≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Argon charged,Room temperature Ships Normal Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 2 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
product description：
4-Bromo-1H-imidazole (4-Br-1H-Im) is a heterocyclic building block containing an imidazole ring. It crystallizes in the monoclinic space group P21/c.
application：
4-Bromo-1H-imidazole may be used as a starting material to prepare 5(4)-bromo-4(5)-nitroimidazole.It may be used in the synthesis of the following aminoimidazoles via palladium catalyzed amination:N-(4-ethoxyphenyl)-1H-imidazol-4-amine.N-(2,5-dimethoxyphenyl)-1H-imidazol-4-amine.N-(3-phenoxyphenyl)-1H-imidazol-4-amine.N-(4-cyanophenyl)-1H-imidazol-4-amine.N-(pyridin-3-yl)-1H-imidazol-4-amine
| Pubchem Sid | 488186970 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488186970 |
| Canonical Smiles | C1=C(NC=N1)Br |
| IUPAC Name | 5-bromo-1H-imidazole |
| InChIKey | FHZALEJIENDROK-UHFFFAOYSA-N |
| INCHI | 1S/C3H3BrN2/c4-3-1-5-2-6-3/h1-2H,(H,5,6) |
| Isomeric SMILES | C1=C(NC=N1)Br |
| WGK Germany | 3 |
| RTECS | NI3517450 |
| Molecular Weight | 146.97 |
| Beilstein | 23(4)581 |
| Reaxy-Rn | 605753 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=605753&ln= |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Organohalogen compounds |
| Class | Aryl halides |
| Subclass | Aryl bromides |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Aryl bromides |
| Alternative Parents | Imidazoles Heteroaromatic compounds Azacyclic compounds Organopnictogen compounds Organonitrogen compounds Organobromides Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteromonocyclic compounds |
| Substituents | Aryl bromide - Heteroaromatic compound - Imidazole - Azole - Azacycle - Organoheterocyclic compound - Organic nitrogen compound - Organopnictogen compound - Hydrocarbon derivative - Organonitrogen compound - Organobromide - Aromatic heteromonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as aryl bromides. These are organic compounds containing the acyl bromide functional group. |
| External Descriptors | Not available |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
 H2401441 | Certificate of Analysis | May 09, 2026 | B119330 |
| H2401447 | Certificate of Analysis | May 09, 2026 | B119330 |
| H2401451 | Certificate of Analysis | May 09, 2026 | B119330 |
| K1212058 | Certificate of Analysis | Jan 26, 2026 | B119330 |
| L2322121 | Certificate of Analysis | Sep 17, 2025 | B119330 |
| C2224143 | Certificate of Analysis | Sep 08, 2025 | B119330 |
| C2224144 | Certificate of Analysis | Sep 08, 2025 | B119330 |
| C2224184 | Certificate of Analysis | Sep 08, 2025 | B119330 |
| C2003056 | Certificate of Analysis | Jul 09, 2025 | B119330 |
| E2325256 | Certificate of Analysis | Feb 11, 2025 | B119330 |
| E2325253 | Certificate of Analysis | Feb 11, 2025 | B119330 |
| L2419343 | Certificate of Analysis | Dec 23, 2024 | B119330 |
| L2419344 | Certificate of Analysis | Dec 22, 2023 | B119330 |
| B1824067 | Certificate of Analysis | Jul 17, 2023 | B119330 |
| B1824068 | Certificate of Analysis | Jul 17, 2023 | B119330 |
| C2313521 | Certificate of Analysis | Mar 22, 2023 | B119330 |
| Solubility | Soluble in Dimethylformamide |
|---|---|
| Sensitivity | Air Sensitive |
| Melt Point(°C) | 131-135°C |
| Molecular Weight | 146.970 g/mol |
| XLogP3 | 1.100 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 0 |
| Exact Mass | 145.948 Da |
| Monoisotopic Mass | 145.948 Da |
| Topological Polar Surface Area | 28.700 Ų |
| Heavy Atom Count | 6 |
| Formal Charge | 0 |
| Complexity | 48.100 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |
| 1. Renjie Ding, Haifeng Zhu, Jiashun Zhou, Huihua Luo, Kehui Xue, Lianqing Yu, Yaping Zhang. (2023) Highly Water-Stable and Efficient Hydrogen-Producing Heterostructure Synthesized from Mn0.5Cd0.5S and a Zeolitic Imidazolate Framework ZIF-8 via Ligand and Cation Exchange. ACS Applied Materials & Interfaces, [PMID:37477612] [10.1021/acsami.3c08614] |
| 2. Bin Jiang, Zhaohe Huang, Luhong Zhang, Yongli Sun, Huawei Yang, Hanrong Bi. (2016) Highly efficient and reversible CO2 capture by imidazolate-based ether-functionalized ionic liquids with a capture transforming process. Journal of the Taiwan Institute of Chemical Engineers, [PMID:] [10.1016/j.jtice.2016.10.009] |
