1-Ethyl-3-methylimidazolium Tricyanomethanide - ≥98% , CAS No.666823-18-3

CAS: 666823-18-3 Cat. No.: E304331 Molecular Weight: 201.23 EC Number: 834-083-7
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
3-Ethyl-1-methyl-1H-imidazol-3-ium Tricyanomethanide | 1-ethyl-3-methylimidazoliumtricyanomethanide | D90610 | 1-ethyl-3-methylimidazolium tricyanomethanide | 2,2-dicyanoethenylideneazanide;1-ethyl-3-methylimidazol-3-ium | E1298 | MFCD22460460 | SCHEMBL41
Storage
Room temperature,Argon charged,Desiccated
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250mg
E304331-250mg
4
$19.90
1g
E304331-1g
2
$52.90
5g
E304331-5g
1
$179.90
25g
E304331-25g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$629.90
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Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature,Argon charged,Desiccated 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.

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Literature proof

Cited in 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Maximum Absorption Wavelength:272 nm (H2O)

Specifications

Synonyms
3-Ethyl-1-methyl-1H-imidazol-3-ium Tricyanomethanide | 1-ethyl-3-methylimidazoliumtricyanomethanide | D90610 | 1-ethyl-3-methylimidazolium tricyanomethanide | 2, 2-dicyanoethenylideneazanide;1-ethyl-3-methylimidazol-3-ium | E1298 | MFCD22460460 | SCHEMBL41
Specifications & Purity
≥98%
Storage
Room temperature, Argon charged, Desiccated
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Pubchem Sid504772516
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504772516
Canonical SmilesCCN1C=C[N+](=C1)C.C(=C(C#N)C#N)=[N-]
IUPAC Name2,2-dicyanoethenylideneazanide;1-ethyl-3-methylimidazol-3-ium
InChIKeySCAQVLGGENTPGK-UHFFFAOYSA-N
INCHI1S/C6H11N2.C4N3/c1-3-8-5-4-7(2)6-8;5-1-4(2-6)3-7/h4-6H,3H2,1-2H3;/q+1;-1
Isomeric SMILES CCN1C=C[N+](=C1)C.C(=C(C#N)C#N)=[N-]
Molecular Weight 201.23
Reaxy-Rn 10388586
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=10388586&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.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassAzoles
SubclassImidazoles
Intermediate Tree Nodes Substituted imidazoles
Direct ParentN-substituted imidazoles
Alternative Parents Heteroaromatic compounds  Nitriles  Azacyclic compounds  Hydrocarbon derivatives  Organic cations  
Molecular FrameworkNot available
Substituents N-substituted imidazole - Heteroaromatic compound - Azacycle - Nitrile - Carbonitrile - Organic nitrogen compound - Cyanide - Hydrocarbon derivative - Organonitrogen compound - Organic cation - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as n-substituted imidazoles. These are heterocyclic compounds containing an imidazole ring substituted at position 1.
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.

9 results found

Lot NumberCertificate TypeDateItem
D2617457Certificate of AnalysisMar 17, 2026 E304331
D2617459Certificate of AnalysisMar 17, 2026 E304331
K2229372Certificate of AnalysisSep 16, 2025 E304331
K2229375Certificate of AnalysisSep 16, 2025 E304331
K2229386Certificate of AnalysisSep 08, 2025 E304331
H2521453Certificate of AnalysisJul 19, 2025 E304331
H2521454Certificate of AnalysisJul 19, 2025 E304331
H2521455Certificate of AnalysisJul 19, 2025 E304331
B2511227Certificate of AnalysisJul 04, 2024 E304331
Chemical and Physical Properties
SensitivityHygroscopic
Refractive Index1.51
Melt Point(°C)-10°C(lit.)
Molecular Weight201.230 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count3
Rotatable Bond Count1
Exact Mass201.101 Da
Monoisotopic Mass201.101 Da
Topological Polar Surface Area57.400 Ų
Heavy Atom Count15
Formal Charge0
Complexity235.000
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 Count2
Citations of This Product
References
1. Zhuoru Huang, Yuzi Zeng, Shiqi Tu, Guohan Zheng, Shichao Tian, Zhejia Li, Ping Wang, Hao Wan.  (2026)  Robust Polymeric Ionic Liquid/Ionic Liquid Solid-State Electrolyte Membrane for Miniaturized and High-Performance Electrochemical Gas Sensing.  ACS Sensors,      [PMID:] [10.1021/acssensors.5c03995]
Solution Calculators
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