2-Ethylhexanal - ≥95%(GC) , CAS No.123-05-7

CAS: 123-05-7 Cat. No.: E156034 Molecular Weight: 128.22 Beilstein Registry Number: 1700560 EC Number: 204-596-5
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GRADE & PURITY ≥95%(GC)
Synonyms
2-Ethylhexylaldehyde | 2-Ethylhexaldehyde | NCGC00256965-01 | ETHYLHEXALDEHYDE | ethylhexanal | MFCD00006987 | VS-02601 | 2-EH | CCRIS 4643 | CHEBI:87809 | AI3-26805 | NSC 42871 | .alpha.-Ethylcaproaldehyde | 2-Ethylhexanal | 2-ethyl-hexanal | Ethylbutyla
Storage
Room temperature,Argon charged
Shipped In
FedEx DG Service
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Size
Status
Price
Qty
5ml
E156034-5ml
2
$14.90
25ml
E156034-25ml
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$41.90
50ml
E156034-50ml
2
$71.90
100ml
E156034-100ml
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$104.90
250ml
E156034-250ml
2
$209.90
Enter a quantity for the sizes you want to add.
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Why this grade

≥95%(GC) for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature,Argon charged Ships FedEx DG Service 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.

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Literature proof

Cited in 3 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

2-Ethylhexanal is an aliphatic aldehyde used as an intermediate to produce various useful products such as perfumes, disinfectants, paints, warning agents, insecticides, and leak detectors.
2-Ethylhexanal can be used as: A reductant in the Mukaiyama epoxidation of cis-cyclooctene. A reactant in the Horner-Wadsworth-Emmons reaction to synthesize cis-α,β-unsaturated amides. A starting material to synthesize 2-ethylhexanoic acid using manganese(II) acetate as a catalyst.

Specifications

Synonyms
2-Ethylhexylaldehyde | 2-Ethylhexaldehyde | NCGC00256965-01 | ETHYLHEXALDEHYDE | ethylhexanal | MFCD00006987 | VS-02601 | 2-EH | CCRIS 4643 | CHEBI:87809 | AI3-26805 | NSC 42871 | .alpha.-Ethylcaproaldehyde | 2-Ethylhexanal | 2-ethyl-hexanal | Ethylbutyla
Specifications & Purity
≥95%(GC)
Storage
Room temperature, Argon charged
Shipped In
FedEx DG Service
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥95%(GC)
Names and Identifiers
Pubchem Sid504753434
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504753434
Canonical SmilesCCCCC(CC)C=O
IUPAC Name2-ethylhexanal
InChIKeyLGYNIFWIKSEESD-UHFFFAOYSA-N
INCHI1S/C8H16O/c1-3-5-6-8(4-2)7-9/h7-8H,3-6H2,1-2H3
Isomeric SMILES CCCCC(CC)C=O
WGK Germany 1
RTECS MN7525000
UN Number 1191
Packing Group III
Molecular Weight 128.22
Beilstein 1700560
Reaxy-Rn 1700556
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1700556&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
SuperclassOrganic oxygen compounds
ClassOrganooxygen compounds
SubclassCarbonyl compounds
Intermediate Tree Nodes Aldehydes
Direct ParentMedium-chain aldehydes
Alternative Parents Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAliphatic acyclic compounds
Substituents Medium-chain aldehyde - Organic oxide - Hydrocarbon derivative - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as medium-chain aldehydes. These are an aldehyde with a chain length containing between 6 and 12 carbon atoms.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
TSHR Tclin Thyroid stimulating hormone receptor (29986 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Lymphoblastoid cell (5959 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
Certificates(CoA,COO,BSE/TSE and Analysis Chart)
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.

21 results found

Lot NumberCertificate TypeDateItem
F2210486Certificate of AnalysisMar 16, 2026 E156034
K2126225Certificate of AnalysisSep 08, 2025 E156034
K2126222Certificate of AnalysisSep 08, 2025 E156034
E2118031Certificate of AnalysisMar 04, 2025 E156034
D1912037Certificate of AnalysisFeb 03, 2023 E156034
C2327040Certificate of AnalysisDec 19, 2022 E156034
C2327043Certificate of AnalysisDec 19, 2022 E156034
C2327051Certificate of AnalysisDec 19, 2022 E156034
C2327052Certificate of AnalysisDec 19, 2022 E156034
C2327033Certificate of AnalysisDec 19, 2022 E156034
K2205248Certificate of AnalysisAug 25, 2022 E156034
K2205247Certificate of AnalysisAug 25, 2022 E156034
K2205246Certificate of AnalysisAug 25, 2022 E156034
K2205245Certificate of AnalysisAug 25, 2022 E156034
K2205219Certificate of AnalysisAug 25, 2022 E156034
E2614062Certificate of AnalysisAug 25, 2022 E156034
F2210491Certificate of AnalysisMay 26, 2022 E156034
F2210488Certificate of AnalysisMay 26, 2022 E156034
F2210487Certificate of AnalysisMay 26, 2022 E156034
H2515049Certificate of AnalysisJul 14, 2021 E156034
H2515048Certificate of AnalysisJun 16, 2021 E156034

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Chemical and Physical Properties
SolubilitySlightly soluble in water(0.7 g/l,20 °C)。
Sensitivityair sensitive
Refractive Index1.42
Flash Point(°F)111.2 °F
Flash Point(°C)44 °C
Boil Point(°C)163°C
Melt Point(°C)-85°C(lit.)
Molecular Weight128.210 g/mol
XLogP32.600
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count1
Rotatable Bond Count5
Exact Mass128.12 Da
Monoisotopic Mass128.12 Da
Topological Polar Surface Area17.100 Ų
Heavy Atom Count9
Formal Charge0
Complexity69.000
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
Citations of This Product
References
1. Yixiang Li, Yajun Bai, Tai-Ping Fan, Xiaohui Zheng, Yujie Cai.  (2021)  Characterization of a putative tropinone reductase from Tarenaya hassleriana with a broad substrate specificity.  BIOTECHNOLOGY AND APPLIED BIOCHEMISTRY,  69  (6): (2530-2539).  [PMID:34902878] [10.1002/bab.2302]
2. Fengchuan Yu, Yajun Bai, Tai-ping Fan, Xiaohui Zheng, Yujie Cai.  (2019)  Alcohol dehydrogenases from Proteus mirabilis contribute to alcoholic flavor.  JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE,  99  (8): (4123-4128).  [PMID:30761541] [10.1002/jsfa.9642]
3. Lang WanZhong, Su Bo, Guo YaJun, Chu LianFeng.  (2012)  Preparation and synergetic catalytic effects of amino-functionalized MCM-41 catalysts.  Science China-Chemistry,  55  (6): (1167-1174).  [PMID:] [10.1007/s11426-012-4594-x]
Solution Calculators
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