Determine the necessary mass, volume, or concentration for preparing a solution.
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≥99%(GC) 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 29 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
2-Ethylhexanoic acid (EHXA, 2-EHA) is an industrially important aliphatic carboxylic acid.
defoaming agent in pesticides
| Pubchem Sid | 504751717 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/504751717 |
| Sonrisas canónicas | CCCCC(CC)C(=O)O |
| IUPAC Name | 2-ethylhexanoic acid |
| InChIKey | OBETXYAYXDNJHR-UHFFFAOYSA-N |
| INCHI | 1S/C8H16O2/c1-3-5-6-7(4-2)8(9)10/h7H,3-6H2,1-2H3,(H,9,10) |
| Isómeros SMILES | CCCCC(CC)C(=O)O |
| WGK Alemania | 1 |
| RTECS | MO7700000 |
| CAS alternativo | 25103-52-0 |
| Peso molecular | 144.21 |
| Beilstein | 1750468 |
| Reaxy-Rn | 1721433 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1721433&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 |
| Clase | Fatty Acyls |
| Subclass | Fatty acids and conjugates |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Medium-chain fatty acids |
| Alternative Parents | Branched fatty acids Monocarboxylic acids and derivatives Carboxylic acids Organic oxides Hydrocarbon derivatives Carbonyl compounds |
| Molecular Framework | Aliphatic acyclic compounds |
| Substituents | Medium-chain fatty acid - Branched fatty acid - Monocarboxylic acid or derivatives - Carboxylic acid - Carboxylic acid derivative - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Carbonyl group - Aliphatic acyclic compound |
| Descripción | This compound belongs to the class of organic compounds known as medium-chain fatty acids. These are fatty acids with an aliphatic tail that contains between 4 and 12 carbon atoms. |
| External Descriptors | Branched fatty acids |
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Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Fecha | Articulo |
|---|---|---|---|
| Certificate of Analysis | May 08, 2026 | E103543 | |
| Certificate of Analysis | May 08, 2026 | E103543 | |
| Certificate of Analysis | May 08, 2026 | E103543 | |
| Certificate of Analysis | Feb 27, 2026 | E103543 | |
| Certificate of Analysis | Feb 05, 2026 | E103543 | |
| Certificate of Analysis | Dec 10, 2025 | E103543 | |
| Certificate of Analysis | Oct 14, 2024 | E103543 | |
| Certificate of Analysis | Oct 14, 2024 | E103543 | |
| Certificate of Analysis | Oct 14, 2024 | E103543 | |
| Certificate of Analysis | Oct 14, 2024 | E103543 | |
| Certificate of Analysis | Oct 14, 2024 | E103543 | |
| Certificate of Analysis | Oct 14, 2024 | E103543 | |
| Certificate of Analysis | Oct 12, 2024 | E103543 | |
| Certificate of Analysis | Jul 07, 2023 | E103543 | |
| Certificate of Analysis | Jul 04, 2023 | E103543 | |
| Certificate of Analysis | Jul 04, 2023 | E103543 | |
| Certificate of Analysis | Jul 04, 2023 | E103543 | |
| Certificate of Analysis | Jul 04, 2023 | E103543 | |
| Certificate of Analysis | Jul 04, 2023 | E103543 | |
| Certificate of Analysis | Jun 13, 2022 | E103543 | |
| Certificate of Analysis | Jun 13, 2022 | E103543 | |
| Certificate of Analysis | Jun 13, 2022 | E103543 | |
| Certificate of Analysis | Jun 13, 2022 | E103543 | |
| Certificate of Analysis | Jun 13, 2022 | E103543 | |
| Certificate of Analysis | Jun 13, 2022 | E103543 |
| Solubilidad | Miscible with water. |
|---|---|
| Sensibilidad | Moisture sensitive. |
| Índice de refracción | 1.424-1.426 |
| Punto de inflamación (°F) | 237.2 °F |
| Punto de inflamación (°C) | 114℃ |
| Punto de ebullición (°C) | 228°C |
| Punto de fusión (°C) | -59°C |
| Peso molecular | 144.210 g/mol |
| XLogP3 | 2.600 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 5 |
| Exact Mass | 144.115 Da |
| Monoisotopic Mass | 144.115 Da |
| Topological Polar Surface Area | 37.300 Ų |
| Heavy Atom Count | 10 |
| Formal Charge | 0 |
| Complexity | 99.400 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 1 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |
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