≥99.9% metals basis for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Protected from light,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 33 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Potassium oxalate monohydrate (POM) is a potassium salt of oxalic acid. Its crystal structure has been investigated by three-dimensional neutron diffraction studies.
Application
Potassium oxalate monohydrate may be used in the preparation of SBA-15 (Santa Barbara Amoprhous-15)- catalyst.
Potassium oxalate monohydrate may be used in the synthesis of bis(2,2"-bipyridine) (oxalato-O,O′)nickel(ii) tetrahydrate, a mononuclear mixed-ligand complex.
| Canonical Smiles | C(=O)(C(=O)[O-])[O-].O.[K+].[K+] |
|---|---|
| IUPAC Name | dipotassium;oxalate;hydrate |
| InChIKey | QCPTVXCMROGZOL-UHFFFAOYSA-L |
| INCHI | 1S/C2H2O4.2K.H2O/c3-1(4)2(5)6;;;/h(H,3,4)(H,5,6);;;1H2/q;2*+1;/p-2 |
| Isomeric SMILES | C(=O)(C(=O)[O-])[O-].O.[K+].[K+] |
| WGK Germany | 1 |
| Molecular Weight | 184.23 |
| Beilstein | 3752576 |
| Reaxy-Rn | 3752576 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=3752576&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 | Organic acids and derivatives |
| Class | Carboxylic acids and derivatives |
| Subclass | Dicarboxylic acids and derivatives |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Dicarboxylic acids and derivatives |
| Alternative Parents | Carboxylic acid salts Carboxylic acids Organic potassium salts Organic oxides Hydrocarbon derivatives Carbonyl compounds |
| Molecular Framework | Aliphatic acyclic compounds |
| Substituents | Dicarboxylic acid or derivatives - Carboxylic acid salt - Organic alkali metal salt - Carboxylic acid - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organic potassium salt - Organic salt - Organooxygen compound - Carbonyl group - Aliphatic acyclic compound |
| Description | This compound belongs to the class of organic compounds known as dicarboxylic acids and derivatives. These are organic compounds containing exactly two carboxylic acid groups. |
| External Descriptors | Not available |
| Solubility | Soluble in water. |
|---|---|
| Sensitivity | Light & Moisture sensitive. |
| Molecular Weight | 184.230 g/mol |
| XLogP3 | |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 5 |
| Rotatable Bond Count | 0 |
| Exact Mass | 183.918 Da |
| Monoisotopic Mass | 183.918 Da |
| Topological Polar Surface Area | 81.300 Ų |
| Heavy Atom Count | 9 |
| Formal Charge | 0 |
| Complexity | 60.500 |
| 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 | 4 |
| 1. Yao Fang, Yuanjun Tang, Guoneng Li, Jun Dong, Chao Ye, Zhongming Bu, Wenwen Guo. (2025) Synergistic adsorption mechanisms of self-N-doped biochar for levofloxacin elimination: integrated experimental and DFT studies. ENVIRONMENTAL RESEARCH, [PMID:40835118] [10.1016/j.envres.2025.122634] |
| 2. Hongyu Lu, Feilin Zou, Xiaowei Liu, Wenjing Zhang, Ling Zhang, Chengxun Deng, Zhimin Yu, Olivier Monfort, Peng Cheng. (2023) Z-scheme g-C3N4/α-FOD heterojunction-assisted persulfate activation for degradation of tetracycline hydrochloride under visible light: Insights into mechanism. CHEMICAL ENGINEERING JOURNAL, [PMID:] [10.1016/j.cej.2023.147224] |
| 3. Xinyu Zhang, Tingwei Zhang, Jiaqi Guo, Wenyuan Zhu, Mohammad Rizwan Khan, Huining Xiao, Junlong Song. (2023) Preparation of sucrose-derived activated carbon in one pot with desirable hierarchically porous structure for efficient dyes removal. Applied Surface Science Advances, [PMID:] [10.1016/j.apsadv.2023.100556] |
| 4. Shan Zhong, Longyun Dai, Hao Xu, Chuan Yuan, Shuang Wang. (2023) Biomorphic porous carbon derived from reed with enriched oxygen-functional groups for high-performance supercapacitors. DIAMOND AND RELATED MATERIALS, [PMID:] [10.1016/j.diamond.2023.110714] |
| 5. Ruyi Zou, Lin Zhu, Lijun Yan, Bo Shao, Xiaoping Zhang, Wei Sun. (2023) Characterization and Pseudo-Capacitance Performance of Porous Co3O4 Nanorods Synthesized by Thermal Decomposition. International Journal of Electrochemical Science, [PMID:] [10.20964/2020.06.48] |
| 6. Ruikai Wang, Haiyan Li, Zhichao Hao, Ting Feng, Yanxin Li, Bohua Dong, Lixin Cao. (2022) Plasma Ag-loaded bandgap variational Zn1-xMgxO-enhanced charge separation for photoelectrochemical water oxidation of CuWO4 photoanodes. CHEMICAL ENGINEERING JOURNAL, [PMID:] [10.1016/j.cej.2022.140861] |
| 7. Rui Zhao, Zhiqiang Deng, Zequn Zhang, Jing Zhang, Tonghui Guo, Yanjun Xing, Xiaohui Liu, Like Huang, Ziyang Hu, Yuejin Zhu. (2022) Alkali Metal Cations Modulate the Energy Level of SnO2 via Micro-agglomerating and Anchoring for Perovskite Solar Cells. ACS Applied Materials & Interfaces, [PMID:35938542] [10.1021/acsami.2c09714] |
| 8. Yingzhi Zhang, Jiayuan Fan, Jing Zhao, Zhangrun Xu. (2022) A biochip based on shell-isolated Au@MnO2 nanoparticle array-enhanced fluorescence effect for simple and sensitive exosome assay. BIOSENSORS & BIOELECTRONICS, [PMID:36058026] [10.1016/j.bios.2022.114373] |
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| 10. Hui Lu, Xiaoran Li, Feng Li, Xiuquan Xu, Rong Zhao, Chenyi Xiong, Qing Hu, Zhuoqing Miao, Miao Tian. (2022) Construction of single-atom Ag embedded O, K co-doped g-C3N4 with enhanced photocatalytic efficiency for tetracycline degradation and Escherichia coli disinfection under visible light. JOURNAL OF MOLECULAR LIQUIDS, [PMID:] [10.1016/j.molliq.2022.118655] |
| 11. Xinyu Zhang, Jing Tian, Peipei Wang, Tian Liu, Mehraj Ahmad, Tingwei Zhang, Jiaqi Guo, Huining Xiao, Junlong Song. (2021) Highly-efficient nitrogen self-doped biochar for versatile dyes’ removal prepared from soybean cake via a simple dual-templating approach and associated thermodynamics. Journal of Cleaner Production, [PMID:] [10.1016/j.jclepro.2021.130069] |
| 12. Hu Qingxi, Wu Chuang, Zhang Haiguang. (2019) Preparation and Optimization of a Biomimetic Triple-Layered Vascular Scaffold Based on Coaxial Electrospinning. APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY, 190 (3): (1106-1123). [PMID:31705366] [10.1007/s12010-019-03147-2] |
| 13. Xiyang Liu, Fei Huang, Yang Yu, Yongan Jiang, Kun Zhao, Yide He, Yanhua Xu, Yongjun Zhang. (2019) Determination and toxicity evaluation of the generated byproducts from sulfamethazine degradation during catalytic oxidation process. CHEMOSPHERE, [PMID:30921638] [10.1016/j.chemosphere.2019.03.125] |
| 14. Xiyang Liu, Fei Huang, Yide He, Yang Yu, Yong Lv, Yanhua Xu, Yongjun Zhang. (2019) Oxytetracycline degradation and toxicity evolution by catalytic oxidation process over sludge derived carbon. Journal of Environmental Chemical Engineering, [PMID:] [10.1016/j.jece.2019.102889] |
| 15. Fajun Li, Zhenzhen Fan, Jian Tai, Huimin Wei, Yanqing Zhou, Lixu Lei. (2018) Promoting the Electrochemical Reduction of Carbon Dioxide by a Specially Designed Biomimetic Electrochemical Cell. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, [PMID:] [10.1021/acs.iecr.8b02031] |
| 16. Manjiao Deng, Mao Ye, Tao Li, Haitao Huang, Wen-Xiang Yuan, Heng Jiang, Peng Lin, Xierong Zeng, Shanming Ke. (2016) Synthesis of ferroelectric KNbO3 nanosheets by liquid exfoliation of layered perovskite K2NbO3F. JOURNAL OF ALLOYS AND COMPOUNDS, [PMID:] [10.1016/j.jallcom.2016.11.209] |
| 17. Jinghua Li, Yan Hu, Yanhua Hou, Xinkun Shen, Gaoqiang Xu, Liangliang Dai, Jun Zhou, Yun Liu, Kaiyong Cai. (2015) Phase-change material filled hollow magnetic nanoparticles for cancer therapy and dual modal bioimaging. Nanoscale, 7 (19): (9004-9012). [PMID:25921793] [10.1039/C5NR01744K] |
| 18. Linghui Kong, Yuewen Shao, Runxing Sun, Shu Zhang, Yi Wang, Jun Xiang, Song Hu, Dong Wang, Chuanjun Leng, Xun Hu. (2024) Activation of spring jasmine wood impregnated with homologous bio-oil: Influence of organics in bio-oil on pore development. FUEL, [PMID:] [10.1016/j.fuel.2024.131419] |
| 19. Rongkun Pan, Chensheng Wang, Qingsheng Zhang, Chenzhuo Song, Chang Lu, Ligang Zheng, Bei Pei, Lei Chen. (2025) Experiment and mechanism of explosion suppression thermal properties of multicomponent powder. THERMOCHIMICA ACTA, [PMID:] [10.1016/j.tca.2025.179953] |
| 20. Shan Zhong, Longyun Dai, Hao Xu, Xin-Chun Yang, Xiaojun Zheng, Shuang Wang. (2024) Highly porous carbon with selective transformation of nitrogen groups boosts the capacitive performance through boric acid template assisted strategy. Journal of Energy Storage, [PMID:] [10.1016/j.est.2024.112867] |
| 21. Shan Zhong, Hao Xu, Xiaojun Zheng, Guanlin Li, Shuang Wang. (2024) High-value conversion of invasive plant into nitrogen-doped porous carbons for high-performance supercapacitors. JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS, [PMID:] [10.1016/j.jaap.2024.106814] |
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| 23. Guangxing Hu, Shuang Cui, Hongda Wang, Yan Shi, Zhuang Li. (2024) Mechanism of high sensitivity proton acids doped polypyrrole molecularly imprinted electrochemical sensor and its application in urea detection. TALANTA, [PMID:38986310] [10.1016/j.talanta.2024.126514] |
| 24. Wenwu Fu, Jun Zheng, Zhiguang Lin, Kai Zhang, Ming Zhang, Xiaokang Cai, Chao Liu, Zhongrong Shen. (2024) Nitrogen-Doped Porous Carbon with Staged Nanopore Formation for Capacitors. ACS Applied Nano Materials, [PMID:] [10.1021/acsanm.4c02104] |
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| 32. Yuheng Wang, Yumin Zhang, Yixiang Huang, Zixuan Xu, Min Li, Gaohong He, Xuehua Ruan, Wenjun Zhang. (2026) Room-temperature synthesis of fluorine-anion engineered cerium oxyfluoride nanozymes via valence-regulation strategy for prompt uric acid biosensing. COLLOIDS AND SURFACES B-BIOINTERFACES, [PMID:] [10.1016/j.colsurfb.2026.115615] |
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