4-Ethylcatechol - ≥95% , CAS No.1124-39-6

CAS: 1124-39-6 Cat. No.: E165960 Molecular Weight: 138.16 EC Number: 214-397-5
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Synonyms
4-Ethyl-1,2-benzenediol # | InChI=1/C8H10O2/c1-2-6-3-4-7(9)8(10)5-6/h3-5,9-10H,2H2,1H3 | ETHYLPYROCATECHOL, 4- | 3,4-Dihydroxyethylbenzene | 1,2-Benzenediol,4-ethyl- | FT-0668198 | AKOS016008639 | AMY19655 | J-002778 | 1-(2,5-Dimethoxy-4-iodophenyl)-2-ami
Storage
Room temperature
Shipped In
Normal
Size
USA
Germany (EU)*
Price
Qty
250mg
E165960-250mg
9 In stock
$35.90
1g
E165960-1g
In stock ≥10
$78.90
5g
E165960-5g
3 In stock
$266.90
Enter a quantity for the sizes you want to add.
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Why this grade

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

🌡

Storage & shipping

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

📋

Quality documents

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

📚

Literature proof

Cited in 2 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
4-Ethyl-1, 2-benzenediol # | InChI=1/C8H10O2/c1-2-6-3-4-7(9)8(10)5-6/h3-5, 9-10H, 2H2, 1H3 | ETHYLPYROCATECHOL, 4- | 3, 4-Dihydroxyethylbenzene | 1, 2-Benzenediol, 4-ethyl- | FT-0668198 | AKOS016008639 | AMY19655 | J-002778 | 1-(2, 5-Dimethoxy-4-iodophenyl)-2-ami
Specifications & Purity
≥95%
Storage
Room temperature
Shipped In
Normal
Action Type
INHIBITOR
Purity
≥95%
Names and Identifiers
Pubchem Sid488184589
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488184589
Canonical SmilesCCC1=CC(=C(C=C1)O)O
IUPAC Name4-ethylbenzene-1,2-diol
InChIKeyHFLGBNBLMBSXEM-UHFFFAOYSA-N
INCHI1S/C8H10O2/c1-2-6-3-4-7(9)8(10)5-6/h3-5,9-10H,2H2,1H3
Isomeric SMILES CCC1=CC(=C(C=C1)O)O
WGK Germany 3
Molecular Weight 138.16
Reaxy-Rn 2042062
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2042062&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
SuperclassBenzenoids
ClassPhenols
SubclassBenzenediols
Intermediate Tree Nodes Not available
Direct ParentCatechols
Alternative Parents 1-hydroxy-4-unsubstituted benzenoids  1-hydroxy-2-unsubstituted benzenoids  Benzene and substituted derivatives  Organooxygen compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Catechol - 1-hydroxy-4-unsubstituted benzenoid - 1-hydroxy-2-unsubstituted benzenoid - Monocyclic benzene moiety - Organic oxygen compound - Hydrocarbon derivative - Organooxygen compound - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as catechols. These are compounds containing a 1,2-benzenediol moiety.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
TRPA1 Tclin Transient receptor potential cation channel subfamily A member 1 (1 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
Associated Targets(non-human)
Trpa1 Transient receptor potential cation channel subfamily A member 1 (1003 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.

13 results found

Lot NumberCertificate TypeDateItem
G2226063Certificate of AnalysisMay 09, 2025 E165960
L2417188Certificate of AnalysisDec 31, 2024 E165960
K2104582Certificate of AnalysisAug 20, 2024 E165960
K2104584Certificate of AnalysisAug 20, 2024 E165960
G2415182Certificate of AnalysisApr 27, 2024 E165960
G2410395Certificate of AnalysisApr 27, 2024 E165960
G2312062Certificate of AnalysisAug 22, 2022 E165960
G2312064Certificate of AnalysisAug 22, 2022 E165960
K2208419Certificate of AnalysisAug 22, 2022 E165960
K2208482Certificate of AnalysisAug 22, 2022 E165960
K2208512Certificate of AnalysisAug 22, 2022 E165960
K2209337Certificate of AnalysisAug 22, 2022 E165960
L2417189Certificate of AnalysisAug 22, 2022 E165960

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Chemical and Physical Properties
Flash Point(°F)>230 °F
Flash Point(°C)>110 °C
Molecular Weight138.160 g/mol
XLogP30.500
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count2
Rotatable Bond Count1
Exact Mass138.068 Da
Monoisotopic Mass138.068 Da
Topological Polar Surface Area40.500 Ų
Heavy Atom Count10
Formal Charge0
Complexity103.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Documents & Articles
Citations of This Product
References
1. Shuang Zhao, Tong Bu, Kairong Yang, Zhihao Xu, Feier Bai, Kunyi He, Lihua Li, Li Wang.  (2021)  Immunochromatographic Assay Based on Polydopamine-Decorated Iridium Oxide Nanoparticles for the Rapid Detection of Salbutamol in Food Samples.  ACS Applied Materials & Interfaces,      [PMID:34106688] [10.1021/acsami.1c06724]
2. Shaolan Xu, Ganggang Zhang, Bolong Fang, Qirong Xiong, Hongwei Duan, Weihua Lai.  (2019)  Lateral Flow Immunoassay Based on Polydopamine-Coated Gold Nanoparticles for the Sensitive Detection of Zearalenone in Maize.  ACS Applied Materials & Interfaces,      [PMID:31389683] [10.1021/acsami.9b08789]
Solution Calculators
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