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Description
TCI D4351 1-Decyl-3-methylimidazolium Bis(trifluoromethanesulfonyl)imide, CAS 433337-23-6, is an ionic liquid composed of a decyl-chain imidazolium cation paired with a highly delocalized bistriflimide anion. As a salt that remains liquid across normal laboratory operating temperatures, this material serves simultaneously as an alternative solvent, a reaction medium, and an electrolyte. Its laboratory role is broad: from a solvent for catalysis and extraction work, to a stationary phase in gas chromatography, through to a medium for electrochemical measurements. Unlike conventional organic solvents, ionic liquids are not readily volatile, which reduces vapour exposure and allows reaction systems to be run in a more closed and controlled manner.
The properties that make this compound a preferred choice are the combination of a long alkyl chain and a fluorinated anion. The decyl chain, with its ten carbon atoms, increases hydrophobic and lipophilic character, while the bis(trifluoromethanesulfonyl)imide anion contributes thermal and electrochemical stability and lowers solubility in water. Together these features produce an ionic liquid that is immiscible with water, which is particularly useful in biphasic systems and in liquid-liquid extraction. The weakly coordinating nature of the anion also means it interferes little with dissolved metal centres and reactive species, so catalytic and electrochemical behaviour can be studied without the solvent itself competing for coordination.
In Indonesian laboratories, this ionic liquid is typically encountered in university research groups, government research institutes, and industrial R&D units working on green chemistry, separation science, and energy storage. It is normally used at small to moderate scale in method development and exploratory synthesis rather than in bulk production. Because it is supplied as a specialty synthesis reagent from TCI, it usually sits in the specialised-reagent section of a laboratory inventory and is dispensed carefully for individual experiments, with the remainder kept sealed for repeated use across a research programme.
Laboratory Applications
- Alternative reaction solvent for organic synthesis, where its non-volatile nature allows reactions to be conducted in closed systems with reduced solvent vapour loss and lower exposure risk.
- Liquid-liquid extraction and biphasic separation, where its immiscibility with water forms a stable second phase that partitions hydrophobic species away from aqueous matrices.
- Homogeneous catalysis medium, where the weakly coordinating bistriflimide anion avoids competing with substrates for metal coordination sites and allows catalyst behaviour to be studied cleanly.
- Stationary phase material for gas chromatography, where its liquid state and thermal stability provide a selective, low-bleed medium for separating analytes of differing polarity.
- Electrolyte and electrochemical working medium, where its ionic conductivity and electrochemical stability support voltammetry, electrodeposition, and energy-storage studies without an added supporting salt.
Specifications
- Brand: TCI
- CAS Number: 433337-23-6
- Category: Chemistry > Specialty Synthesis > Ionic Liquids [Specialty Synthesis]
- Pack sizes: available in standard TCI research-scale packaging; please confirm the currently offered pack size when ordering.
- Physical form: liquid at ordinary laboratory operating temperatures (ionic liquid).
- Storage: keep the container tightly closed in a cool, dry, well-ventilated place away from moisture.
Handling and Storage
Store this ionic liquid in its original tightly closed container in a cool, dry, and well-ventilated area, away from moisture, strong oxidising agents, and direct sunlight. Because the material is hygroscopic in practical handling terms, minimise the time the container stays open and reseal it promptly after dispensing; where available, transfer under an inert atmosphere or in a glove box to preserve quality. Use clean, dry glass or compatible chemically resistant vessels and dry transfer tools, since introduced water and contaminants can alter solvent and electrochemical behaviour. Handle in a fume hood while wearing safety goggles, a laboratory coat, and chemically resistant gloves. Refer to the manufacturer's safety data sheet before first use, and dispose of residues and contaminated materials as chemical waste in accordance with institutional procedures.
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