1-Butyl-3-methylimidazolium trifluoromethanesulfonate
ALDRICH/711772 - 97%
Synonym: BMIM Otf
CAS Number: 174899-66-2
Empirical Formula (Hill Notation): C9H15F3N2O3S
Molecular Weight: 288.29
MDL Number: MFCD03427620
Linear Formula: C9H15F3N2O3S
Product Type: Chemical
| assay | 97% |
| density | 1.292 g/mL at 20 °C (lit.) |
| form | liquid |
| functional group | fluoro |
| triflate | |
| impurities | ≤0.5% water |
| InChI | 1S/C8H15N2.CHF3O3S/c1-3-4 |
| InChI key | FRZPYEHDSAQGAS-UHFFFAOYSA |
| Quality Level | 100 ![]() |
| refractive index | n |
| SMILES string | [O-]S(=O)(=O)C(F)(F)F.CCC |
| Application: | [bmim][OTf] can be used as: • A glycosylation promoter in the synthesis of oligosaccharides from thiophenyl and trichloroacetimidate glycoside donors. • A solvent for the extraction of sulfur and nitrogen containing aromatic organic compounds from aliphatic hydrocarbons. • A reagent in the preparation of ion-conductive polymeric membranes. • A dopant in the synthesis of poly (ethyl methacrylate) based polymer electrolytes to increase the ionic conductivity. • A reaction medium to synthesize aryl ketones by Friedel–Crafts benzoylation of aryl compounds by using bismuth triflate as a catalyst. |
| General description: | 1-Butyl-3-methylimidazoli |
| Packaging: | 1 kg in glass bottle |
| Packaging: | 100 g in glass bottle |
| Symbol | GHS06 |
| Signal word | Danger |
| Hazard statements | H301 - H315 - H319 |
| Precautionary statements | P301 + P310 + P330 - P302 + P352 - P305 + P351 + P338 |
| Hazard Codes | T,N |
| Risk Statements | 25-36/38-51/53 |
| Safety Statements | 26-45-61 |
| RIDADR | UN 2810 6.1 / PGIII |
| WGK Germany | WGK 3 |
| Flash Point(F) | > 212.0 °F |
| Flash Point(C) | > 100 °C |
| Purity | 97% |
| Density | 1.292 g/mL at 20 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 12352100 |


