2-Ethylhexanoic acid - ≥99%(GC) , CAS No.149-57-5

CAS: 149-57-5 Cat. No.: E103543 Peso molecular: 144.21 Beilstein Registry Number: 1750468 Número EC: 205-743-6
Disponible para pedir
GRADE & PURITY ≥99%(GC)
Synonyms
2 ETHYL HEXANOIC ACID | EN300-20410 | NCGC00258957-01 | 2-Ethyl-1-hexanoic acid | BRN 1750468 | Hexanoic acid, 2-ethyl-, (-)- | HMS2267F21 | alpha-ethyl caproic acid | Tox21_300108 | Ethyl hexanoic acid | Ethylhexanoic acid | F0001-0703 | Kyselina heptan-
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Estado
Price
Qty
100ml
E103543-100ml
3
12,90US$
500ml
E103543-500ml
≥10
22,90US$
Enter a quantity for the sizes you want to add.
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Why this grade

≥99%(GC) for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature Ships Normal Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 29 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Descripción general

2-Ethylhexanoic acid (EHXA, 2-EHA) is an industrially important aliphatic carboxylic acid.

2-Ethylhexanoic acid (EHXA, 2-EHA) is an industrially important aliphatic carboxylic acid. It is widely employed as a stabilizer and a wood preservative.
It has various industrial applications, such as:
coolant in automotives
synthetic lubricant
wetting agent
co-solvent
drying of paints

defoaming agent in pesticides

Specifications

Sinónimos
2 ETHYL HEXANOIC ACID | EN300-20410 | NCGC00258957-01 | 2-Ethyl-1-hexanoic acid | BRN 1750468 | Hexanoic acid, 2-ethyl-, (-)- | HMS2267F21 | alpha-ethyl caproic acid | Tox21_300108 | Ethyl hexanoic acid | Ethylhexanoic acid | F0001-0703 | Kyselina heptan-
Especificaciones y pureza
≥99%(GC)
Condiciones de almacenamiento de almacenamiento
Room temperature
Enviado en
Normal
Pureza
≥99%(GC)
Nombres e identificadores
Pubchem Sid504751717
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504751717
Sonrisas canónicasCCCCC(CC)C(=O)O
IUPAC Name2-ethylhexanoic acid
InChIKeyOBETXYAYXDNJHR-UHFFFAOYSA-N
INCHI1S/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=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassLipids and lipid-like molecules
ClaseFatty Acyls
SubclassFatty acids and conjugates
Intermediate Tree Nodes Not available
Direct ParentMedium-chain fatty acids
Alternative Parents Branched fatty acids  Monocarboxylic acids and derivatives  Carboxylic acids  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic 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
DescripciónThis 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
Estructura 3D
Modelo de Estructura Química Interactiva





Objetivos asociados (humanos)
CA2 Tclin Carbonic anhydrase II (17698 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
AR Tclin Androgen Receptor (11781 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PTH1R Tclin Parathyroid hormone receptor (47172 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CA1 Tclin Carbonic anhydrase I (13240 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Objetivos asociados (no humanos)
Mapk1 MAP kinase ERK2 (650 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Slc22a20 Solute carrier family 22 member 20 (86 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mecanismos de acción
Certificados (CoA, COO, BSE/TSE y tabla de análisis)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

25 results found

Lot NumberCertificate TypeFechaArticulo
E2620218Certificate of AnalysisMay 08, 2026 E103543
E2620280Certificate of AnalysisMay 08, 2026 E103543
E2620281Certificate of AnalysisMay 08, 2026 E103543
B2625081Certificate of AnalysisFeb 27, 2026 E103543
G1824303Certificate of AnalysisFeb 05, 2026 E103543
C2215301Certificate of AnalysisDec 10, 2025 E103543
L2524139Certificate of AnalysisOct 14, 2024 E103543
J2424371Certificate of AnalysisOct 14, 2024 E103543
J2424370Certificate of AnalysisOct 14, 2024 E103543
J2424369Certificate of AnalysisOct 14, 2024 E103543
J2424285Certificate of AnalysisOct 14, 2024 E103543
I2511149Certificate of AnalysisOct 14, 2024 E103543
L2010095Certificate of AnalysisOct 12, 2024 E103543
I1917127Certificate of AnalysisJul 07, 2023 E103543
G23111094Certificate of AnalysisJul 04, 2023 E103543
G23111103Certificate of AnalysisJul 04, 2023 E103543
G2311850Certificate of AnalysisJul 04, 2023 E103543
G2311857Certificate of AnalysisJul 04, 2023 E103543
I2404162Certificate of AnalysisJul 04, 2023 E103543
G2308216Certificate of AnalysisJun 13, 2022 E103543
F2221081Certificate of AnalysisJun 13, 2022 E103543
F2221075Certificate of AnalysisJun 13, 2022 E103543
F2221028Certificate of AnalysisJun 13, 2022 E103543
E2330130Certificate of AnalysisJun 13, 2022 E103543
D2301028Certificate of AnalysisJun 13, 2022 E103543

Show more ⌵

Propiedades químicas y físicas
SolubilidadMiscible with water.
SensibilidadMoisture sensitive.
Índice de refracción1.424-1.426
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 molecular144.210 g/mol
XLogP32.600
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count2
Rotatable Bond Count5
Exact Mass144.115 Da
Monoisotopic Mass144.115 Da
Topological Polar Surface Area37.300 Ų
Heavy Atom Count10
Formal Charge0
Complexity99.400
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count1
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Preguntas frecuentes y artículos
Citations of This Product
Referencias
1. Wang Hanwen, Wang Ying, Wen Ping, Ma Lin, Fan Mingjin, Dong Rui, Zhang Chunhua.  (2023)  Low-viscosity oligoether esters (OEEs) as high-efficiency lubricating oils: Insight on their structure–lubricity relationship.  Friction,      [PMID:] [10.1007/s40544-023-0765-3]
2. Youyou Yang, Jing Li, Jiangtao Xing, Weihai Xing, Chaohua Tang, Zhenghua Rao, Junmin Zhang.  (2022)  Untargeted Profiling and Differentiation of Volatiles in Varieties of Meat Using GC Orbitrap MS.  Foods,  11  (24): (3997).  [PMID:36553738] [10.3390/foods11243997]
3. Shuai Hu, Maohui Yuan, Hanchang Huang, Changqing Song, Kai Han, Wenda Cui, Zining Yang, Hongyan Wang.  (2022)  Effect of Ce dopant on upconversion and temperature sensing performances in homogeneous ultrasmall Y2O3:Yb3+/Ho3+ nanoparticles through flame aerosol synthesis.  CERAMICS INTERNATIONAL,      [PMID:] [10.1016/j.ceramint.2022.11.290]
4. Shuai Hu, Maohui Yuan, Changqing Song, Kai Han, Linxuan Wang, Hanchang Huang, Wenda Cui, Zining Yang, Hongyan Wang.  (2022)  The role of 2-ethylhexanoic acid in manipulating the morphology and upconversion of flame-made Y2O3:Yb3+/Ho3+ nanoparticles towards remote temperature sensing.  CRYSTENGCOMM,  24  (39): (6925-6932).  [PMID:] [10.1039/D2CE00831A]
5. Ruijuan Duan, Meiling Qi.  (2022)  Separation performance of pentiptycene-functionalized triblock copolymers towards the isomers of xylenes, phenols and anilines and the complex components in essential oil.  JOURNAL OF CHROMATOGRAPHY A,      [PMID:35278809] [10.1016/j.chroma.2022.462927]
6. Hongwei Ren, Meiyu Li, Yize Liu, Tengda Zhao, Ruoyao Zhang, Erhong Duan.  (2021)  Nitrogen-rich carbon quantum dots (N-CQDs) based on natural deep eutectic solvents: Simultaneous detection and treatment of trace Co2+ under saline conditions.  SCIENCE OF THE TOTAL ENVIRONMENT,      [PMID:34923018] [10.1016/j.scitotenv.2021.152389]
7. Ze Yuan, Lanlan Yang, Dongni Han, Guorong Sun, Chenyu Zhu, Yao Wang, Qiao Wang, Mikhail Artemyev, Jianguo Tang.  (2021)  Synthesis and Optical Properties of In2S3-Hosted Colloidal Zn–Cu–In–S Nanoplatelets.  ACS Omega,      [PMID:34337233] [10.1021/acsomega.1c02180]
8. Jinhua Luo, Liping Jiang, Guihua Ruan, Chengyong Li, Fuyou Du.  (2021)  Fabrication and application of a MIL-68(In)–NH2 incorporated high internal phase emulsion polymeric monolith as a solid phase extraction adsorbent in triazine herbicide residue analysis.  RSC Advances,  11  (33): (20439-20445).  [PMID:35479924] [10.1039/D1RA02619D]
9. Xue Xiong, Meiling Qi.  (2020)  A novel column fabrication approach for capillary gas chromatography via a cross-linked organogel network with high stability and inertness.  NEW JOURNAL OF CHEMISTRY,  44  (25): (10621-10627).  [PMID:] [10.1039/D0NJ02185G]
10. Xiaomin Shuai, Zhiqiang Cai, Yujie Chen, Xinyu Zhao, Qianqian Song, Kaixin Ren, Xingxing Jiang, Tao Sun, Shaoqiang Hu.  (2020)  Separation performance of p-nitro-octadecyloxy-calix[8]arene as stationary phases for capillary gas chromatography.  MICROCHEMICAL JOURNAL,      [PMID:] [10.1016/j.microc.2020.105124]
11. Shaojian Hu, Jianhua Zhu, Bencheng Wu, Rui Ma, Yuechun Chang, Xiaohui Li, Yuqing Wei, Liujie Yu.  (2020)  Green synthesis of ester base oil with high viscosity – Part Ⅰ: Catalyst preparation, characterization, evaluation, and mechanism analysis.  FUEL,      [PMID:] [10.1016/j.fuel.2020.117802]
12. Xue Xiong, Meiling Qi.  (2019)  Adenine-functionalized polypropylene glycol: A novel stationary phase for gas chromatography offering good inertness for acids and bases combined with a unique selectivity.  JOURNAL OF CHROMATOGRAPHY A,      [PMID:31668867] [10.1016/j.chroma.2019.460627]
13. Yanan Hou, Xinming Li, Shoujiao Peng, Juan Yao, Feifei Bai, Jianguo Fang.  (2019)  Lipoamide Ameliorates Oxidative Stress via Induction of Nrf2/ARE Signaling Pathway in PC12 Cells.  JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY,      [PMID:31299148] [10.1021/acs.jafc.9b02680]
14. Aifei Wang, Yanyan Guo, Faheem Muhammad, Zhengtao Deng.  (2017)  Controlled Synthesis of Lead-Free Cesium Tin Halide Perovskite Cubic Nanocages with High Stability.  CHEMISTRY OF MATERIALS,      [PMID:] [10.1021/acs.chemmater.7b02089]
15. Yanyan Feng, Xiaoxue Zhang, Ming Jin, Decheng Wan.  (2016)  Dendritic amphiphile-decorated polyHIPE as a highly efficient and well recyclable scavenger of micropollutants in water: Topological effect.  JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY,  55  (8): (1294-1302).  [PMID:] [10.1002/pola.28455]
16. Yanyun Bai, Xiaoyuan Ma, Wanxu Wang, Qiwen Yin, Zhiping Du, Guoyong Wang.  (2016)  Synthesis, aggregation and dispersity properties of novels amphiphilic comb-like terpolymers.  COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,      [PMID:] [10.1016/j.colsurfa.2016.11.011]
17. Ganggang Chang, Zongbi Bao, Zhiguo Zhang, Huabin Xing, Baogen Su, Yiwen Yang, Qilong Ren.  (2013)  Salt-enhanced removal of 2-ethyl-1-hexanol from aqueous solutions by adsorption on activated carbon.  JOURNAL OF COLLOID AND INTERFACE SCIENCE,      [PMID:24144367] [10.1016/j.jcis.2013.09.002]
18. Qinhui Chen, Xinggong Mao, Hanyu Xue, Yi Deng, Jinhuo Lin.  (2013)  Preparation and characterization of bamboo fiber-graft-lauryl methacrylate and its composites with polypropylene.  JOURNAL OF APPLIED POLYMER SCIENCE,  130  (4): (2377-2382).  [PMID:] [10.1002/app.39347]
19. Xianglong Hao, Chenyu Zhu, Jin Liu, Zengkun Li, Xiao Liu, Wenfei Shen, Yao Wang, Zhonglin Du, Mikhail Artemyev, Laruence A. Belfiore, Jianguo Tang.  (2024)  3D-printed copolymer semi-cavity sensor with inner optical filter-effecting quantum dots photoluminescence for multiple drugs and amino acids detection.  OPTICAL MATERIALS,      [PMID:] [10.1016/j.optmat.2024.116189]
20. Qinqin Wang, Changgeng Shuai, Xue Yang, Weibin Wu, Gang Lu.  (2025)  A novel dielectric elastomer with low modulus and fast response.  Smart Materials and Structures,      [PMID:] [10.1088/1361-665X/ada8ed]
21. Shuting Lei, Yiyang Zhang, Zhu Fang, Tianyi Wu, Xing Jin, Shuiqing Li.  (2024)  A two-step strategy for production of spherical non-aggregated multi-component particles by suspension-fed spray flame.  PROCEEDINGS OF THE COMBUSTION INSTITUTE,      [PMID:] [10.1016/j.proci.2024.105350]
22. Shuai Hu, Changqing Song, Maohui Yuan, Xin Guo, Hanchang Huang, Zelin Liu, Wenda Cui, Hongyan Wang, Zining Yang, Kai Han.  (2024)  Identification of Phase Evolution through Upconversion Emission in Flame-Made YAG:Yb3+/Er3+ Nanoparticles: Implications for the Optical Crystal-Phase Probe.  ACS Applied Nano Materials,      [PMID:] [10.1021/acsanm.3c05832]
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26. Pengbo Zhu, Xiao Liu, Hao Ren, Yao Wang, Jun Li, Yan Zhang, Zhonglin Du, Qiao Wang, Soo Wohn Lee, Laurence A. Belfiore, Mikhail Artemyev, Jianguo Tang.  (2025)  Enhanced luminescence through doping of CuInZnS core-shell quantum dots with Eu.  JOURNAL OF LUMINESCENCE,      [PMID:] [10.1016/j.jlumin.2025.121498]
27. Shuting Lei, Yiyang Zhang, Zhu Fang, Xing Jin, Shuiqing Li.  (2025)  Spray flame synthesis of Y2O3/Al2O3 composite nanoparticles: Effects of precursor volatility and Y/Al ratio on particle morphology and crystal phase.  JOURNAL OF AEROSOL SCIENCE,      [PMID:] [10.1016/j.jaerosci.2025.106584]
28. Yijie Wen, Shuai Hu, Chao Lin, Xin Guo, Jinshu Huang, Maohui Yuan, Kai Han.  (2025)  Flame-Made Cr3+-Doped Ga2O3 Nanoparticles Toward Cryogenic Thermometry and Near-Infrared LEDs.  ACS Applied Materials & Interfaces,      [PMID:41184183] [10.1021/acsami.5c16890]
29. Yifei Li, Binxiao Wei, Jun Long, Pengfei Fan, Xuning Leng, Yongping Bai.  (2025)  Preparation and Performance of Acrylate Emulsions Pressure-Sensitive Adhesives Without Small Molecule Emulsifier Precipitation.  JOURNAL OF APPLIED POLYMER SCIENCE,      [PMID:] [10.1002/app.70008]
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