≥98%(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 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
| Pubchem Sid | 504754951 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/504754951 |
| Canonical Smiles | C(CCCCCCCCCC(=O)O)CCCCCCCCC(=O)O |
| IUPAC Name | icosanedioic acid |
| InChIKey | JJOJFIHJIRWASH-UHFFFAOYSA-N |
| INCHI | 1S/C20H38O4/c21-19(22)17-15-13-11-9-7-5-3-1-2-4-6-8-10-12-14-16-18-20(23)24/h1-18H2,(H,21,22)(H,23,24) |
| Isomeric SMILES | C(CCCCCCCCCC(=O)O)CCCCCCCCC(=O)O |
| Molecular Weight | 342.52 |
| Reaxy-Rn | 1799665 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1799665&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 | Lipids and lipid-like molecules |
| Class | Fatty Acyls |
| Subclass | Fatty acids and conjugates |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Long-chain fatty acids |
| Alternative Parents | Dicarboxylic acids and derivatives Carboxylic acids Organic oxides Hydrocarbon derivatives Carbonyl compounds |
| Molecular Framework | Aliphatic acyclic compounds |
| Substituents | Long-chain fatty acid - Dicarboxylic acid or derivatives - Carboxylic acid - Carboxylic acid derivative - 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 long-chain fatty acids. These are fatty acids with an aliphatic tail that contains between 13 and 21 carbon atoms. |
| External Descriptors | Dicarboxylic acids |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
 E2231312 | Certificate of Analysis | Mar 16, 2026 | E156316 |
| E2231317 | Certificate of Analysis | Mar 16, 2026 | E156316 |
| A2619667 | Certificate of Analysis | Dec 06, 2023 | E156316 |
| G2504092 | Certificate of Analysis | Dec 06, 2023 | E156316 |
| K2328154 | Certificate of Analysis | Dec 06, 2023 | E156316 |
| J1924265 | Certificate of Analysis | Aug 04, 2023 | E156316 |
| L2205471 | Certificate of Analysis | Dec 08, 2022 | E156316 |
| K2230136 | Certificate of Analysis | Dec 07, 2022 | E156316 |
| E2231346 | Certificate of Analysis | Mar 02, 2022 | E156316 |
| E2231368 | Certificate of Analysis | Mar 02, 2022 | E156316 |
| G2311149 | Certificate of Analysis | Mar 02, 2022 | E156316 |
| Solubility | Slightly soluble in water. |
|---|---|
| Boil Point(°C) | 234°C/2mmHg |
| Melt Point(°C) | 127℃ |
| Molecular Weight | 342.500 g/mol |
| XLogP3 | 7.500 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 19 |
| Exact Mass | 342.277 Da |
| Monoisotopic Mass | 342.277 Da |
| Topological Polar Surface Area | 74.600 Ų |
| Heavy Atom Count | 24 |
| Formal Charge | 0 |
| Complexity | 272.000 |
| 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. Mengen Zhang, Ruijia Wang, Tinghao Jia, Congjing Ren, Jingdai Wang, Yongrong Yang, Yao Yang. (2025) Nanoscale Morphology in Disodium Salt-Anchored Polyethylene Ionomers. MACROMOLECULES, [PMID:] [10.1021/acs.macromol.5c00167] |
