1-Ethyl-3-MethyliMidazoliuMHydrogenSulfate - ≥98% , CAS No.674282-83-8

CAS: 674282-83-8 Cat. No.: E304343 Molecular Weight: 208.235
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
SCHEMBL479201 | NCGC00260190-01 | FT-0715321 | Tox21_202642 | 1-methyl-3-ethylimidazolium hydrogensulfate | 1-Ethyl-3-methyl-1H-imidazol-3-ium hydrogen sulfate | 1-Ethyl-3-methylimidazoliumHydrogenSulfate | DTXSID1049300 | A873115 | AKOS015856738 | BS-170
Storage
Room temperature,Desiccated
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
E304343-1g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$9.90

$14.90
Save $5.00 (33.56%)
5g
E304343-5g
3

$12.90

$19.90
Save $7.00 (35.18%)
25g
E304343-25g
4

$41.90

$62.90
Save $21.00 (33.39%)
100g
E304343-100g
2

$134.90

$202.90
Save $68.00 (33.51%)
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Why this grade

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

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Storage & shipping

Room temperature,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 7 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
SCHEMBL479201 | NCGC00260190-01 | FT-0715321 | Tox21_202642 | 1-methyl-3-ethylimidazolium hydrogensulfate | 1-Ethyl-3-methyl-1H-imidazol-3-ium hydrogen sulfate | 1-Ethyl-3-methylimidazoliumHydrogenSulfate | DTXSID1049300 | A873115 | AKOS015856738 | BS-170
Specifications & Purity
≥98%
Storage
Room temperature, Desiccated
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Pubchem Sid488199223
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488199223
Canonical SmilesCCN1C=C[N+](=C1)C.OS(=O)(=O)[O-]
IUPAC Name1-ethyl-3-methylimidazol-3-ium;hydrogen sulfate
InChIKeyHZKDSQCZNUUQIF-UHFFFAOYSA-M
INCHI1S/C6H11N2.H2O4S/c1-3-8-5-4-7(2)6-8;1-5(2,3)4/h4-6H,3H2,1-2H3;(H2,1,2,3,4)/q+1;/p-1
Isomeric SMILES CCN1C=C[N+](=C1)C.OS(=O)(=O)[O-]
Molecular Weight 208.235
Reaxy-Rn 9659447
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=9659447&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
SuperclassOrganoheterocyclic compounds
ClassAzoles
SubclassImidazoles
Intermediate Tree Nodes Substituted imidazoles
Direct ParentN-substituted imidazoles
Alternative Parents Organic sulfate salts  Organic sulfuric acids and derivatives  Heteroaromatic compounds  Azacyclic compounds  Organopnictogen compounds  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Organic sulfate salt - N-substituted imidazole - Heteroaromatic compound - Organic sulfuric acid or derivatives - Azacycle - Organic nitrogen compound - Organic oxygen compound - Organopnictogen compound - Organic oxide - Hydrocarbon derivative - Organic salt - Organonitrogen compound - 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
B23101001Certificate of AnalysisOct 30, 2025 E304343
B2310414Certificate of AnalysisOct 30, 2025 E304343
B2310415Certificate of AnalysisOct 30, 2025 E304343
B2310419Certificate of AnalysisOct 30, 2025 E304343
B2311092Certificate of AnalysisOct 30, 2025 E304343
I2127184Certificate of AnalysisJul 15, 2024 E304343
I2127185Certificate of AnalysisJul 15, 2024 E304343
A2506301Certificate of AnalysisDec 14, 2022 E304343
B2310413Certificate of AnalysisDec 14, 2022 E304343
Chemical and Physical Properties
Molecular Weight208.240 g/mol
XLogP3
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count4
Rotatable Bond Count1
Exact Mass208.052 Da
Monoisotopic Mass208.052 Da
Topological Polar Surface Area94.600 Ų
Heavy Atom Count13
Formal Charge0
Complexity149.000
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. K. Wang, L. Liu, Y. Liu, J. Luo.  (2022)  Simple but effective: Liquid superlubricity with high load capacity achieved by ionic liquids.  Materials Today Nano,      [PMID:] [10.1016/j.mtnano.2022.100257]
2. Haoyue Xue, Liyan Jia, Haijuan Jiang, Shu Qin, Yukun Yang, Junxue Wu, Xu Jing.  (2022)  A successive homogeneous liquid-liquid microextraction based on solidification of switchable hydrophilicity solvents and ionic liquids for the detection of pyrethroids and cadmium in drinks.  JOURNAL OF FOOD COMPOSITION AND ANALYSIS,      [PMID:] [10.1016/j.jfca.2022.104569]
3. Yanming Wang, Yao Wang, Bihai Su, Feibo Li, Linlin Shi, Xiaojing Wang, Lingwei Li, Jiale Zhao, Tianlong Wang, Ping Li, Xiaoliang Zhang, Jingbo Mu, Gai Zhao, Yu Dong.  (2025)  Preparation and performance analysis of ILs@MoS2 modified polyimide proton exchange membrane.  Materials Science and Engineering B-Advanced Functional Solid-State Materials,      [PMID:] [10.1016/j.mseb.2025.118163]
4. Duozhen Chai, Chongli Wang, Jinzhen Liu, Dongfeng Cao, Kaixuan Guo, Yuankun Wang, Ye Yuan, Francis Verpoort.  (2025)  CuCl/Ionic Liquid Catalyzed Cascade Transformation of CO2 and Alkyne-1,2-Diols: Synthesis of Keto-Functionalized Cyclic Carbonates.  Catalysts,  15  (3): (279).  [PMID:] [10.3390/catal15030279]
5. Qian Wang, Juan Li, Qiuyueming Zhou, Ting He, Zhaoliang Cui, Young Moo Lee, Weihong Xing.  (2025)  Revealing the internal β-phase PVDF membrane fouling tendency using double layer piezoelectrics.  JOURNAL OF MEMBRANE SCIENCE,      [PMID:] [10.1016/j.memsci.2025.124017]
6. Yutong Gong, Feng Liu, Jun Sui, Yanlong Lv, Yuhao Wang, Yunze Hao, Xiaodong Wang, Hongguang Jin.  (2025)  Thermodynamic Properties of Ternary Lithium Bromide Solution Mixed with Ionic Liquid as Working Pairs for Absorption Heat Transformer.  JOURNAL OF CHEMICAL AND ENGINEERING DATA,      [PMID:] [10.1021/acs.jced.4c00644]
7. Hao Zhang, Qian Wang, Jiuxin Yin, Yujie Gao, Xinhai Zhang, Qiuyueming Zhou, Zhaoliang Cui.  (2025)  Evolution of piezoelectric PVDF membrane for energy transducer and membrane distillation.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2025.169672]
Solution Calculators
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