50% in H2O 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 3 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
| Pubchem Sid | 488179542 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488179542 |
| Canonical Smiles | C(=CC(=O)O)C(=O)O |
| IUPAC Name | but-2-enedioic acid |
| InChIKey | VZCYOOQTPOCHFL-UHFFFAOYSA-N |
| INCHI | 1S/C4H4O4/c5-3(6)1-2-4(7)8/h1-2H,(H,5,6)(H,7,8) |
| Isomeric SMILES | C(=CC(=O)O)C(=O)O |
| Reaxy-Rn | 8132074 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=8132074&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 | Unsaturated fatty acids Carboxylic acids Organic oxides Hydrocarbon derivatives Carbonyl compounds |
| Molecular Framework | Aliphatic acyclic compounds |
| Substituents | Fatty acyl - Fatty acid - Unsaturated fatty acid - Dicarboxylic acid or derivatives - Carboxylic acid - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - 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 | C4-dicarboxylic acid |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
 C2314474 | Certificate of Analysis | Dec 10, 2025 | P192380 |
| C2314475 | Certificate of Analysis | Dec 10, 2025 | P192380 |
| C2315594 | Certificate of Analysis | Dec 10, 2025 | P192380 |
| B2306939 | Certificate of Analysis | Oct 30, 2025 | P192380 |
| F2101255 | Certificate of Analysis | Mar 12, 2024 | P192380 |
| F2101256 | Certificate of Analysis | Mar 12, 2024 | P192380 |
| F2101257 | Certificate of Analysis | Mar 12, 2024 | P192380 |
| Molecular Weight | 116.070 g/mol |
|---|---|
| XLogP3 | -0.300 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 2 |
| Exact Mass | 116.011 Da |
| Monoisotopic Mass | 116.011 Da |
| Topological Polar Surface Area | 74.600 Ų |
| Heavy Atom Count | 8 |
| Formal Charge | 0 |
| Complexity | 119.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 1 |
| The total count of all stereochemical bonds | 1 |
| Covalently-Bonded Unit Count | 1 |
| 1. Bo Tang, Shuang Li, Wei-Chao Song, Yan Li, En-Cui Yang, Xiao-Jun Zhao, Landong Li. (2019) Hollow Zn−Co Based Zeolitic Imidazole Framework as a Robust Heterogeneous Catalyst for Enhanced CO2 Chemical Fixation. Chemistry-An Asian Journal, 14 (23): (4375-4382). [PMID:31651104] [10.1002/asia.201901246] |
| 2. Jiajun Liu, Yongqiang Gao, Yan Miao, Guofan Zhang. (2025) Mechanism analysis and validation of a novel high-efficiency depressant for carrollite-muscovite flotation separation: Experimental and DFT investigations. COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, [PMID:] [10.1016/j.colsurfa.2025.138386] |
| 3. Dong Kai, Han Shuhe, Li Yanan, Wang Zhongliao, Xue Chuang, Sun Xiaogang, Yao Yongchao, Li Haobo, Wang Xin, Ma Dongwei, Liu Li-Min, Zhang Bin. (2025) Testing, quantification, in situ characterization and calculation simulation for electrocatalytic nitrate reduction. Nature Protocols, [PMID:41331391] [10.1038/s41596-025-01289-8] |
