4(5)-Ethylimidazole - ≥95%(GC) , CAS No.19141-85-6

CAS: 19141-85-6 Cat. No.: E156331 Formula: C5H8N2 Molecular Weight: 96.13 EC Number: 806-948-9
AVAILABLE TO ORDER
GRADE & PURITY ≥95%(GC)
Synonyms
4-ethyl-1H-imidazole|4(5)-Ethylimidazole|1H-Imidazole, 4-ethyl-|5-ethylimidazole|4-Ethylimidazole|5-ethyl-1H-imidazole|1H-Imidazole, 5-ethyl-|5-ETHYLIMIDAZOL
Storage
Argon charged,Room temperature
Shipped In
Normal
★
Size
Germany (EU)
USA*
Price
Qty
250mg
E156331-250mg
—
5 In stock

€34.62

€51.98
Save €17.35 (33.39%)
1g
E156331-1g
—
5 In stock

€110.12

€165.65
Save €55.54 (33.53%)
5g
E156331-5g
—
2 In stock

€389.53

€584.77
Save €195.24 (33.39%)
Enter a quantity for the sizes you want to add.

Specifications

Synonyms
4-ethyl-1H-imidazole | 4(5)-Ethylimidazole | 1H-Imidazole, 4-ethyl- | 5-ethylimidazole | 4-Ethylimidazole | 5-ethyl-1H-imidazole | 1H-Imidazole, 5-ethyl- | 5-ETHYLIMIDAZOL
Specifications & Purity
≥95%(GC)
Storage
Argon charged,Room temperature
Shipped In
Normal
Purity
≥95%(GC)
Names and Identifiers
Pubchem Sid
Pubchem Sid Url
https://pubchem.ncbi.nlm.nih.gov/substance/488196552
Canonical Smiles
CCC1=CN=CN1
IUPAC Name
5-ethyl-1H-imidazole
InChIKey
NJQHZENQKNIRSY-UHFFFAOYSA-N
INCHI
1S/C5H8N2/c1-2-5-3-6-4-7-5/h3-4H,2H2,1H3,(H,6,7)
Isomeric SMILES
CCC1=CN=CN1
Molecular Weight
96.13
Reaxy-Rn
741980
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=741980&ln=

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassAzoles
SubclassImidazoles
Intermediate Tree Nodes Not available
Direct ParentImidazoles
Alternative Parents Heteroaromatic compounds  Azacyclic compounds  Organopnictogen compounds  Organonitrogen compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Heteroaromatic compound - Imidazole - Azacycle - Organic nitrogen compound - Organopnictogen compound - Hydrocarbon derivative - Organonitrogen compound - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as imidazoles. These are compounds containing an imidazole ring, which is an aromatic five-member ring with two nitrogen atoms at positions 1 and 3, and three carbon atoms.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





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.

5 results found

Lot NumberCertificate TypeDateItem
C2613097C2613097Certificate of AnalysisMar 27, 2026 E156331
B2208294B2208294Certificate of AnalysisJan 14, 2022 E156331
B2208432B2208432Certificate of AnalysisJan 14, 2022 E156331
B2208466B2208466Certificate of AnalysisJan 14, 2022 E156331
G2311135G2311135Certificate of AnalysisJan 14, 2022 E156331
Chemical and Physical Properties
SensitivityAir sensitive
x_refractive_index1.5
x_flash_point_drop_centigrade125℃
x_boil_point_char140℃/3mmHg(lit.)
Molecular Weight96.130 g/mol
XLogP30.800
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count1
Rotatable Bond Count1
Exact Mass96.0687 Da
Monoisotopic Mass96.0687 Da
Topological Polar Surface Area28.700 Ų
Heavy Atom Count7
Formal Charge0
Complexity54.000
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
Solution Calculators
Reviews

Customer Reviews

Frequently Asked Questions

What is the purity of this product, and how is it determined?
This product is supplied at ≥95% purity, determined by gas chromatography (GC). Lot-specific values are stated on the Certificate of Analysis.
How should this product be stored?
Store at room temperature under argon. It is supplied under an argon blanket; reseal under inert gas after each use.
How is this product shipped?
This product ships under standard ambient conditions. No temperature-controlled packaging is required.
What are the CAS number, molecular formula and molecular weight?
The CAS Number is 19141-85-6, the molecular formula is C5H8N2, and the molecular weight is 96.13 g/mol. InChIKey NJQHZENQKNIRSY-UHFFFAOYSA-N.
What documentation is provided?
Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.

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