Trifluoromethanesulfonimide
Synonym(s):Bis(trifluoromethanesulfonyl)amine;Bis(trifluoromethylsulfonyl)amine
- CAS NO.:82113-65-3
- Empirical Formula: C2HF6NO4S2
- Molecular Weight: 281.15
- MDL number: MFCD00214154
- EINECS: 435-300-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 05:41:37
What is Trifluoromethanesulfonimide?
Chemical properties
light yellow to brown liquid
The Uses of Trifluoromethanesulfonimide
Trifluoromethanesulfonimide is a strong acid, used in the preparation of highly efficient Lewis acid catalysts.
The Uses of Trifluoromethanesulfonimide
1,1,1-Trifluoro-N-((trifluoromethyl)sulfonyl)methanesulfonamide is commonly used as a strong acid to prepare Lewis Acid catalysts. It can also be used to improve efficiency of graphene/silicon Schottky solar cells by chemical doping and as a solvent for recycling battery electrodes.
The Uses of Trifluoromethanesulfonimide
Trifluoromethanesulfonimide may be used as a catalyst for the preparation of 1-substituted-1H-1,2,3,4-tetrazoles.
What are the applications of Application
Trifluoromethanesulfonimide may be used in the following studies:
As catalyst during the polymerization of octamethylcyclotetrasiloxane in the presence of hexamethyldisiloxane.
As efficient catalyst in the synthesis of various non-reducing disaccharides, via ketopyranosylation of 2,3,4,6-tetra-O-benzyl-1-C-methyl-D-hexopyranoses.
Starting material for preparing the N-fluoro derivative, a reactive fluorinating agent.
As a component of solid polymer electrolytes.
General Description
Bis(trifluoromethane)sulfonimide (TFSI, Tf2N) is utilized as anion species to form 1-ethyl-3-methylimidazolium molten salts. It undergoes acid-base complexation with rod-like poly(2,5-pyridine) to afford highly-ordered lamellar self-assemblies in the hydrated films.
Properties of Trifluoromethanesulfonimide
| Melting point: | 52-56 °C |
| Boiling point: | 90-91 °C(lit.) |
| Density | 1.36 |
| storage temp. | 2-8°C |
| solubility | 800g/l Risk of violent reaction. |
| form | Crystals |
| pka | -10.42±0.40(Predicted) |
| color | Colorless to brownish |
| PH | 0.8 (100g/l, H2O, 20℃)Risk of violent reaction. |
| BRN | 4754101 |
| Stability: | Stable. Incompatible with strong oxidizing agents. Reacts violently with water. |
| CAS DataBase Reference | 82113-65-3(CAS DataBase Reference) |
| EPA Substance Registry System | Methanesulfonamide, 1,1,1-trifluoro-N-[(trifluoromethyl)sulfonyl]- (82113-65-3) |
Safety information for Trifluoromethanesulfonimide
| Signal word | Danger |
| Pictogram(s) |
![]() Corrosion Corrosives GHS05 ![]() Skull and Crossbones Acute Toxicity GHS06 |
| GHS Hazard Statements |
H301:Acute toxicity,oral H318:Serious eye damage/eye irritation H412:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. |
Computed Descriptors for Trifluoromethanesulfonimide
| InChIKey | ZXMGHDIOOHOAAE-UHFFFAOYSA-N |
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