≥99% 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 4 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Zinc oxalate dihydrate is used as an chemical synthesis intermediate.
| Pubchem Sid | 488189956 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488189956 |
| Canonical Smiles | C(=O)(C(=O)[O-])[O-].O.O.[Zn+2] |
| IUPAC Name | zinc;oxalate;dihydrate |
| InChIKey | WCKIDCVWRJUPFY-UHFFFAOYSA-L |
| INCHI | 1S/C2H2O4.2H2O.Zn/c3-1(4)2(5)6;;;/h(H,3,4)(H,5,6);2*1H2;/q;;;+2/p-2 |
| Isomeric SMILES | C(=O)(C(=O)[O-])[O-].O.O.[Zn+2] |
| Alternate CAS | 4255-07-6 |
| PubChem CID | 516787 |
| Molecular Weight | 189.42 |
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 Organic transition metal salts Carboxylic acids Organic oxides Hydrocarbon derivatives Carbonyl compounds |
| Molecular Framework | Aliphatic acyclic compounds |
| Substituents | Dicarboxylic acid or derivatives - Carboxylic acid salt - Organic transition metal salt - Carboxylic acid - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - 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 |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
 B2309265 | Certificate of Analysis | Oct 30, 2025 | Z303988 |
| E2204152 | Certificate of Analysis | Feb 07, 2025 | Z303988 |
| G2431568 | Certificate of Analysis | Jun 21, 2024 | Z303988 |
| G2431569 | Certificate of Analysis | Jun 21, 2024 | Z303988 |
| G2431570 | Certificate of Analysis | Jun 21, 2024 | Z303988 |
| G2431571 | Certificate of Analysis | Jun 21, 2024 | Z303988 |
| K2514026 | Certificate of Analysis | Jun 21, 2024 | Z303988 |
| E2112202 | Certificate of Analysis | Mar 11, 2024 | Z303988 |
| E2112203 | Certificate of Analysis | Mar 11, 2024 | Z303988 |
| J2219122 | Certificate of Analysis | Oct 21, 2022 | Z303988 |
| C2202229 | Certificate of Analysis | Mar 19, 2022 | Z303988 |
| C2303173 | Certificate of Analysis | Feb 22, 2022 | Z303988 |
| E2204123 | Certificate of Analysis | Feb 22, 2022 | Z303988 |
| E2204133 | Certificate of Analysis | Feb 22, 2022 | Z303988 |
| E2430028 | Certificate of Analysis | Feb 22, 2022 | Z303988 |
| Solubility | Soluble in dilute mineral acids. |
|---|---|
| Molecular Weight | 189.400 g/mol |
| XLogP3 | |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 6 |
| Rotatable Bond Count | 0 |
| Exact Mass | 187.93 Da |
| Monoisotopic Mass | 187.93 Da |
| Topological Polar Surface Area | 82.300 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. Pingxian Feng, Huan Wang, Peipei Huang, Lijie Zhong, Shiyu Gan, Wei Wang, Li Niu. (2023) Nitrogen-doped lignin-derived porous carbons for supercapacitors: Effect of nanoporous structure. CHEMICAL ENGINEERING JOURNAL, [PMID:] [10.1016/j.cej.2023.144817] |
| 2. Fangbao Fu, Zhou Huang, Shuoyang Qiu. (2025) SiOx Encapsulated into Nitrogen-Enriched Lignin Porous Carbon for Fast Lithium Storage. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, [PMID:] [10.1021/acs.iecr.4c03801] |
| 3. Jialang Hu, Yan Zhang, Mingyuan Jiang, Chao Xiong, Shenwei Chen, Jin Li, Xu Li, Ziyuan Zhu, Peng Hu, Hongbing Ji. (2024) Wall-trapped acetylene tetramer in a metal-organic framework enables kinetic separation of C2H2/C2H4. SEPARATION AND PURIFICATION TECHNOLOGY, [PMID:] [10.1016/j.seppur.2024.127143] |
| 4. Xin-Yue Wang, Dan Xie, Zhi-Wei Wang, Fang-Yu Tao, Chang Liu, Wan-Yue Diao, Yu-Ying Wu, Cui-Yan Tong, Jing-Ping Zhang. (2025) Three birds with one stone: In-situ etching-constructing nanocubes protective layer toward highly reversible aqueous zinc-iodine batteries. CHEMICAL ENGINEERING JOURNAL, [PMID:] [10.1016/j.cej.2025.167195] |
