for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Store at 2-8°C,Protected from light,Argon charged Ships Wet ice 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 4 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
| Canonical Smiles | [CH-]1C=CC=C1.[CH-]1C=CC=C1.[Co+2] |
|---|---|
| IUPAC Name | cobalt(2+);cyclopenta-1,3-diene |
| InChIKey | ILZSSCVGGYJLOG-UHFFFAOYSA-N |
| INCHI | 1S/2C5H5.Co/c2*1-2-4-5-3-1;/h2*1-5H;/q2*-1;+2 |
| Isomeric SMILES | [CH-]1C=CC=C1.[CH-]1C=CC=C1.[Co+2] |
| WGK Germany | 3 |
| RTECS | GG0350000 |
| UN Number | 1325 |
| Packing Group | II |
| Molecular Weight | 189.12 |
| Reaxy-Rn | 5982975 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=5982975&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 | Hydrocarbons |
| Class | Aromatic hydrocarbons |
| Subclass | Not available |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Aromatic hydrocarbons |
| Alternative Parents | Unsaturated hydrocarbons Organic salts |
| Molecular Framework | Not available |
| Substituents | Aromatic hydrocarbon - Unsaturated hydrocarbon - Organic salt - Aromatic homomonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as aromatic hydrocarbons. These are aromatic compounds that are made up of carbon and hydrogen atoms only. |
| 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 |
|---|---|---|---|
 C2421146 | Certificate of Analysis | Jan 26, 2026 | B138133 |
| C2421147 | Certificate of Analysis | Jan 26, 2026 | B138133 |
| J2511223 | Certificate of Analysis | Sep 26, 2025 | B138133 |
| J2511222 | Certificate of Analysis | Sep 26, 2025 | B138133 |
| J2511221 | Certificate of Analysis | Sep 26, 2025 | B138133 |
| E2612054 | Certificate of Analysis | Sep 26, 2025 | B138133 |
| B2510460 | Certificate of Analysis | Jan 13, 2025 | B138133 |
| B2510509 | Certificate of Analysis | Jan 13, 2025 | B138133 |
| B2510510 | Certificate of Analysis | Jan 13, 2025 | B138133 |
| F2524337 | Certificate of Analysis | Jan 13, 2025 | B138133 |
| J2422301 | Certificate of Analysis | Oct 12, 2024 | B138133 |
| J2422300 | Certificate of Analysis | Oct 12, 2024 | B138133 |
| J2422299 | Certificate of Analysis | Oct 12, 2024 | B138133 |
| C2421148 | Certificate of Analysis | Mar 15, 2024 | B138133 |
| J2418140 | Certificate of Analysis | Mar 15, 2024 | B138133 |
| D2301062 | Certificate of Analysis | Mar 24, 2023 | B138133 |
| D2301063 | Certificate of Analysis | Mar 24, 2023 | B138133 |
| D2301054 | Certificate of Analysis | Mar 24, 2023 | B138133 |
| B2310514 | Certificate of Analysis | Feb 06, 2023 | B138133 |
| B2311177 | Certificate of Analysis | Feb 06, 2023 | B138133 |
| B2311012 | Certificate of Analysis | Feb 06, 2023 | B138133 |
| Solubility | Insoluble in water. |
|---|---|
| Sensitivity | Air & Moisture Sensitive；Light sensitive |
| Melt Point(°C) | 176-180°C |
| Molecular Weight | 189.120 g/mol |
| XLogP3 | |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 189.011 Da |
| Monoisotopic Mass | 189.011 Da |
| Topological Polar Surface Area | 0.000 Ų |
| Heavy Atom Count | 11 |
| Formal Charge | 0 |
| Complexity | 11.600 |
| 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 | 3 |
| 1. Ke Tan, Zhaolin Tan, Sen Liu, Guoqiang Zhao, Yang Liu, Linrui Hou, Changzhou Yuan. (2023) Synergistic design of core–shell V3S4@C hosts and homogeneous catalysts promoting polysulfide chemisorption and conversion for Li–S batteries. Journal of Materials Chemistry A, 11 (5): (2233-2245). [PMID:] [10.1039/D2TA09373A] |
| 2. Kejun Chen, Maoqi Cao, Ganghai Ni, Shanyong Chen, Hanxiao Liao, Li Zhu, Hongmei Li, Junwei Fu, Junhua Hu, Emiliano Cortés, Min Liu. (2022) Nickel polyphthalocyanine with electronic localization at the nickel site for enhanced CO2 reduction reaction. APPLIED CATALYSIS B-ENVIRONMENTAL, [PMID:] [10.1016/j.apcatb.2022.121093] |
| 3. Ying Liu, Yubo Zhao, Changtu Ma, Min Zhao, Huayun Du, Yang Ge, Jianlong Ji, Kexun Li, Yanxia Wu. (2024) Ultralow-content Co decoration on Ti3C2Tx MXene induced electromagnetic characteristic modulation for efficient microwave absorption. CERAMICS INTERNATIONAL, [PMID:] [10.1016/j.ceramint.2024.04.171] |
| 4. Sui Xiaoyu, Zhao Jiwu, Zhang Pu, Wang Ying, Zheng Hangbin, Zeng Haihua, Wang Pengzhao, Jia Yanyan, Wen Na, Ding Zhengxin, Zhang Zizhong, Dai Sheng, Xu Chao, Yuan Rusheng, Dai Wenxin, Fu Xianzhi, Long Jinlin. (2025) Photocatalytic non-oxidative dehydrogenation of ethane to ethene with near unit selectivity. Nature Communications, 16 (1): (1-10). [PMID:41130963] [10.1038/s41467-025-64389-9] |
