Determine the necessary mass, volume, or concentration for preparing a solution.
≥97%(GC)(T) for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
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 8 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
4,5-Dichloroimidazole has been used in the synthesis of: . phosphinite complexes . 1-hexyl-3-methyl-4,5-dichloroimidazolium iodide, precursor required for the preparation of silver-carbene complex-loaded into L-tyrosine polyphosphate nanoparticles
| Pubchem Sid | 488188060 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488188060 |
| Canonical Smiles | C1=NC(=C(N1)Cl)Cl |
| IUPAC Name | 4,5-dichloro-1H-imidazole |
| InChIKey | QAJJXHRQPLATMK-UHFFFAOYSA-N |
| INCHI | 1S/C3H2Cl2N2/c4-2-3(5)7-1-6-2/h1H,(H,6,7) |
| Isomeric SMILES | C1=NC(=C(N1)Cl)Cl |
| WGK Germany | 3 |
| Molecular Weight | 136.96 |
| Beilstein | 606155 |
| Reaxy-Rn | 606155 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=606155&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 chlorides |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Aryl chlorides |
| Alternative Parents | Imidazoles Heteroaromatic compounds Azacyclic compounds Organopnictogen compounds Organonitrogen compounds Organochlorides Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteromonocyclic compounds |
| Substituents | Aryl chloride - Heteroaromatic compound - Imidazole - Azole - Azacycle - Organoheterocyclic compound - Organic nitrogen compound - Organopnictogen compound - Hydrocarbon derivative - Organonitrogen compound - Organochloride - Aromatic heteromonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as aryl chlorides. These are organic compounds containing the acyl chloride 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 |
|---|---|---|---|
| Certificate of Analysis | Sep 16, 2025 | D154962 | |
| Certificate of Analysis | Sep 16, 2025 | D154962 | |
| Certificate of Analysis | Feb 12, 2025 | D154962 | |
| Certificate of Analysis | Feb 12, 2025 | D154962 | |
| Certificate of Analysis | Feb 12, 2025 | D154962 | |
| Certificate of Analysis | Jul 29, 2024 | D154962 | |
| Certificate of Analysis | Jul 29, 2024 | D154962 | |
| Certificate of Analysis | Jul 29, 2024 | D154962 | |
| Certificate of Analysis | Mar 09, 2024 | D154962 | |
| Certificate of Analysis | Jan 31, 2024 | D154962 | |
| Certificate of Analysis | Jan 31, 2024 | D154962 | |
| Certificate of Analysis | Jan 31, 2024 | D154962 | |
| Certificate of Analysis | Sep 13, 2023 | D154962 | |
| Certificate of Analysis | Sep 13, 2023 | D154962 | |
| Certificate of Analysis | Sep 13, 2023 | D154962 | |
| Certificate of Analysis | Sep 13, 2023 | D154962 | |
| Certificate of Analysis | Sep 13, 2023 | D154962 | |
| Certificate of Analysis | Sep 13, 2023 | D154962 | |
| Certificate of Analysis | Aug 06, 2022 | D154962 | |
| Certificate of Analysis | Aug 06, 2022 | D154962 |
| Melt Point(°C) | 181 °C |
|---|---|
| Molecular Weight | 136.960 g/mol |
| XLogP3 | 2.000 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 0 |
| Exact Mass | 135.96 Da |
| Monoisotopic Mass | 135.96 Da |
| Topological Polar Surface Area | 28.700 Ų |
| Heavy Atom Count | 7 |
| Formal Charge | 0 |
| Complexity | 68.000 |
| 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. Linlin Qian, Canxiang Fang, Yanghai Gui, Kuan Tian, Huishi Guo, Dongjie Guo, Xiang Guo, Peng Liu. (2023) Heterojunctions of ZnO-Nanorod-Decorated WO3 Nanosheets Coated with ZIF-71 for Humidity-Independent NO2 Sensing. ACS Applied Nano Materials, [PMID:] [10.1021/acsanm.3c01955] |
| 2. Hongbin Li, Hengji Liu, Wenying Shi, Haixia Zhang, Rong Zhou, Xiaohong Qin. (2020) Preparation of hydrophobic zeolitic imidazolate framework-71 (ZIF-71)/PVDF hollow fiber composite membrane for membrane distillation through dilute solution coating. SEPARATION AND PURIFICATION TECHNOLOGY, [PMID:] [10.1016/j.seppur.2020.117348] |
| 3. Zhongming Zhang, Yijun Liu, Zhengda Lin, Rui Wu, Rui Fang, Weipeng Guo, Jie Yao. (2024) Boosting pervaporation performance of polyether block amide membranes by embedding structural-evolution zeolitic imidazolate framework-71s for phenol/water separation. SEPARATION AND PURIFICATION TECHNOLOGY, [PMID:] [10.1016/j.seppur.2024.126593] |
| 4. Liu Xiangyang, Wang Jin, Fang Longhui, Ban Yutao, Li An, He Maogang. (2024) Fabrication of MOFs/PDMS mixed matrix membranes and defect-free composite membranes for efficient air separation. JOURNAL OF NANOPARTICLE RESEARCH, 26 (8): (1-18). [PMID:] [10.1007/s11051-024-06061-9] |
| 5. Xiangyang Liu, Jin Wang, Longhui Fang, Yutao Ban, Maogang He. (2024) Fluorinated ZIF-71 with adjusted pore size to enhance separation performance of mixed matrix membrane for recovering R32 from R410A. PROCESS SAFETY AND ENVIRONMENTAL PROTECTION, [PMID:] [10.1016/j.psep.2024.06.071] |
| 6. Zhongming Zhang, Enfang Gou, Zhiying Zhao, Rui Wu, Rui Fang, Weipeng Guo, Jie Yao. (2024) Mixed matrix composite membranes comprising nanocage-like hollow ZIF-71(h) polyhedral nanocrystals in poly(ether-block-amide) membranes for phenol/water separation. SEPARATION AND PURIFICATION TECHNOLOGY, [PMID:] [10.1016/j.seppur.2024.130169] |
| 7. Tianxu Ji, Zinan Wang, Peng Wang, Xiaoyu Yang, Jihao Ye, Xuze Tang, Chunyan Li, Yunpeng Liu. (2025) In situ grown superhydrophobic ZIF-71 layer enabling ultra-stable zinc anodes for long-cycle AZBs. Journal of Materials Chemistry A, [PMID:] [10.1039/D5TA02574E] |
| 8. Longyu Ren, Yuhang Du, Ya Wang, Jinan Li, Ruojin Zhang, Jiliang Yuan, Hongyan Xu. (2025) Enhanced selectivity and response performance of the NO2 sensor composed of ZIF-71-coated In2O3 nanorods grown vertically on ceramic tubes. SENSORS AND ACTUATORS B-CHEMICAL, [PMID:] [10.1016/j.snb.2025.139410] |