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≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Room temperature Ships Normal Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 11 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
1-Butyl-3-methylimidazolium trifluoromethanesulfonate [bmim][OTf] is a versatile ionic liquid commonly used in synthetic chemistry.
| Pubchem Sid | 504761094 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/504761094 |
| Canonical Smiles | CCCCN1C=C[N+](=C1)C.C(F)(F)(F)S(=O)(=O)[O-] |
| IUPAC Name | 1-butyl-3-methylimidazol-3-ium;trifluoromethanesulfonate |
| InChIKey | FRZPYEHDSAQGAS-UHFFFAOYSA-M |
| INCHI | 1S/C8H15N2.CHF3O3S/c1-3-4-5-10-7-6-9(2)8-10;2-1(3,4)8(5,6)7/h6-8H,3-5H2,1-2H3;(H,5,6,7)/q+1;/p-1 |
| Isomeric SMILES | CCCCN1C=C[N+](=C1)C.C(F)(F)(F)S(=O)(=O)[O-] |
| WGK Germany | 3 |
| Molecular Weight | 288.29 |
| Reaxy-Rn | 8806425 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=8806425&ln= |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Organoheterocyclic compounds |
| Class | Azoles |
| Subclass | Imidazoles |
| Intermediate Tree Nodes | Substituted imidazoles |
| Direct Parent | N-substituted imidazoles |
| Alternative Parents | Heteroaromatic compounds Azacyclic compounds Organopnictogen compounds Organonitrogen compounds Organic salts Hydrocarbon derivatives |
| Molecular Framework | Not available |
| Substituents | N-substituted imidazole - Heteroaromatic compound - Azacycle - Organic nitrogen compound - Organopnictogen compound - Hydrocarbon derivative - Organic salt - Organonitrogen compound - Aromatic heteromonocyclic compound |
| Description | This 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 |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
| Certificate of Analysis | Jun 11, 2026 | B111364 | |
| Certificate of Analysis | Jun 11, 2026 | B111364 | |
| Certificate of Analysis | Aug 13, 2025 | B111364 | |
| Certificate of Analysis | Aug 06, 2025 | B111364 | |
| Certificate of Analysis | Jul 31, 2025 | B111364 | |
| Certificate of Analysis | Jun 09, 2025 | B111364 | |
| Certificate of Analysis | Feb 13, 2025 | B111364 | |
| Certificate of Analysis | Feb 13, 2025 | B111364 | |
| Certificate of Analysis | Dec 19, 2024 | B111364 | |
| Certificate of Analysis | Dec 11, 2024 | B111364 | |
| Certificate of Analysis | Dec 11, 2024 | B111364 | |
| Certificate of Analysis | Dec 11, 2024 | B111364 | |
| Certificate of Analysis | Dec 11, 2024 | B111364 | |
| Certificate of Analysis | Sep 13, 2024 | B111364 | |
| Certificate of Analysis | Sep 13, 2024 | B111364 | |
| Certificate of Analysis | Sep 13, 2024 | B111364 | |
| Certificate of Analysis | Sep 13, 2024 | B111364 | |
| Certificate of Analysis | Aug 07, 2024 | B111364 | |
| Certificate of Analysis | Aug 07, 2024 | B111364 | |
| Certificate of Analysis | Aug 07, 2024 | B111364 | |
| Certificate of Analysis | Jul 05, 2024 | B111364 | |
| Certificate of Analysis | Jul 05, 2024 | B111364 | |
| Certificate of Analysis | Apr 30, 2024 | B111364 | |
| Certificate of Analysis | Apr 30, 2024 | B111364 | |
| Certificate of Analysis | Apr 30, 2024 | B111364 | |
| Certificate of Analysis | Mar 12, 2024 | B111364 | |
| Certificate of Analysis | Feb 20, 2024 | B111364 | |
| Certificate of Analysis | Feb 20, 2024 | B111364 | |
| Certificate of Analysis | Feb 20, 2024 | B111364 | |
| Certificate of Analysis | Mar 08, 2023 | B111364 | |
| Certificate of Analysis | Jul 08, 2022 | B111364 | |
| Certificate of Analysis | Jul 08, 2022 | B111364 |
| Sensitivity | Hygroscopic |
|---|---|
| Refractive Index | 1.434 |
| Flash Point(°F) | >212 °F |
| Flash Point(°C) | >100 °C |
| Melt Point(°C) | 16℃ |
| Molecular Weight | 288.290 g/mol |
| XLogP3 | |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 6 |
| Rotatable Bond Count | 3 |
| Exact Mass | 288.076 Da |
| Monoisotopic Mass | 288.076 Da |
| Topological Polar Surface Area | 74.400 Ų |
| Heavy Atom Count | 18 |
| Formal Charge | 0 |
| Complexity | 238.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 2 |
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