3-Ethyl-1-methyl-1H-imidazol-3-ium Bis(fluorosulfonyl)azanide(EMIMFSI) - ≥98% , CAS No.235789-75-0

CAS: 235789-75-0 Cat. No.: E404458 Molecular Weight: 291.29 EC Number: 825-567-9
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
1-ethyl-3-methylimidazolium bis(fluorosulfonyl)amide | 3-Ethyl-1-methyl-1H-imidazol-3-ium bis(fluorosulfonyl)amide | MFCD17018943 | bis(fluorosulfonyl)azanide;1-ethyl-3-methylimidazol-3-ium | 1-ethyl-3-methyl-1H-imidazol-3-ium; bis(fluorosulfonyl)azanide
Storage
Argon charged,Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5g
E404458-5g
4
$95.90
25g
E404458-25g
1
$384.90
100g
E404458-100g
3
$923.90
Enter a quantity for the sizes you want to add.
🧪

Why this grade

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

🌡

Storage & shipping

Argon charged,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 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
1-ethyl-3-methylimidazolium bis(fluorosulfonyl)amide | 3-Ethyl-1-methyl-1H-imidazol-3-ium bis(fluorosulfonyl)amide | MFCD17018943 | bis(fluorosulfonyl)azanide;1-ethyl-3-methylimidazol-3-ium | 1-ethyl-3-methyl-1H-imidazol-3-ium; bis(fluorosulfonyl)azanide
Specifications & Purity
≥98%
Storage
Argon charged, Room temperature
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Pubchem Sid488202433
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488202433
Canonical SmilesCCN1C=C[N+](=C1)C.[N-](S(=O)(=O)F)S(=O)(=O)F
IUPAC Namebis(fluorosulfonyl)azanide;1-ethyl-3-methylimidazol-3-ium
InChIKeyANFWGAAJBJPAHX-UHFFFAOYSA-N
INCHI1S/C6H11N2.F2NO4S2/c1-3-8-5-4-7(2)6-8;1-8(4,5)3-9(2,6)7/h4-6H,3H2,1-2H3;/q+1;-1
Isomeric SMILES CCN1C=C[N+](=C1)C.[N-](S(=O)(=O)F)S(=O)(=O)F
UN Number 3261
Packing Group II
Molecular Weight 291.29
Reaxy-Rn 20775660
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=20775660&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 Heteroaromatic compounds  Azacyclic compounds  Organonitrogen compounds  Organic salts  Organic oxides  Hydrocarbon derivatives  Organic cations  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents N-substituted imidazole - Heteroaromatic compound - Azacycle - Organic nitrogen compound - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organic salt - 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.

15 results found

Lot NumberCertificate TypeDateItem
J2530426Certificate of AnalysisOct 14, 2025 E404458
J2530427Certificate of AnalysisOct 14, 2025 E404458
K2506839Certificate of AnalysisOct 14, 2025 E404458
K2207075Certificate of AnalysisAug 12, 2025 E404458
J2213620Certificate of AnalysisJul 10, 2025 E404458
B2513033Certificate of AnalysisOct 27, 2023 E404458
F2428060Certificate of AnalysisOct 27, 2023 E404458
G2504090Certificate of AnalysisOct 27, 2023 E404458
H2415016Certificate of AnalysisOct 27, 2023 E404458
K2314549Certificate of AnalysisOct 27, 2023 E404458
K2314553Certificate of AnalysisOct 27, 2023 E404458
K2314556Certificate of AnalysisOct 27, 2023 E404458
G2313171Certificate of AnalysisJul 25, 2022 E404458
J2217333Certificate of AnalysisJul 25, 2022 E404458
K2207074Certificate of AnalysisJul 25, 2022 E404458

Show more ⌵

Chemical and Physical Properties
SensitivityHygroscopic
Molecular Weight291.300 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count7
Rotatable Bond Count3
Exact Mass291.016 Da
Monoisotopic Mass291.016 Da
Topological Polar Surface Area94.900 Ų
Heavy Atom Count17
Formal Charge0
Complexity304.000
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
Documents & Articles
Citations of This Product
References
1. Fang Wu, Zeyu Yi, Xiaoheng He, Yifan Wang, Yong Xiang, Fei Li, Hong Pan.  (2025)  High encapsulation efficiency of ionic liquid microcapsules for sable silicon anode.  Materials Today Energy,      [PMID:] [10.1016/j.mtener.2025.101957]
Solution Calculators
Reviews

Customer Reviews

Shall we send you a message when we have discounts available?

Remind me later

Thank you! Please check your email inbox to confirm.

Oops! Notifications are disabled.