Tributylmethylammonium bis(trifluoromethylsulfonyl)imide 405514-94-5 C₁₅H₃₀F₆N₂O₄S₂

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  TBMA-TFSI Uses  

Tributylmethylammonium bis(trifluoromethylsulfonyl)imide (TBMA-TFSI) is an ionic liquid composed of a tributylmethylammonium cation ([TBMA]) and the bis(trifluoromethylsulfonyl)imide (TFSI) anion. Like other ionic liquids, it has unique properties, such as low volatility, high thermal stability, and excellent solvation capabilities, making it useful in a wide variety of applications. Here are the primary uses of TBMA-TFSI:

1. Electrolyte in Energy Storage Devices
   Lithium-ion and Lithium-Sulfur Batteries: TBMA-TFSI is used as an electrolyte or an electrolyte additive in lithium-ion and lithium-sulfur batteries. The TFSI anion offers high ionic conductivity and excellent electrochemical stability, which is critical for improving the performance and lifespan of these energy storage devices.
   Supercapacitors: Similarly, TBMA-TFSI can be used in supercapacitors as part of the electrolyte, improving charge/discharge cycles and performance at high voltages due to its stability and conductivity.

2. Solvent for Organic Reactions
   Organic Synthesis: TBMA-TFSI serves as a solvent in a variety of organic reactions, particularly in reactions involving highly polar or ionic compounds. Its low volatility and high thermal stability make it ideal for reactions that would typically require harsh conditions.
   Fluorination Reactions: The TFSI anion can be used to stabilize reactive intermediates in fluorination reactions or to introduce trifluoromethyl groups (–CF3) into organic molecules, a common modification in pharmaceuticals and agrochemicals.

3. Catalysis and Reaction Medium
   Ionic Liquid Catalysis: TBMA-TFSI can be employed as a medium for catalysis in various reactions, including those requiring acidic or superacidic conditions. The TFSI anion has strong electron-withdrawing properties, which can activate substrates or stabilize reaction intermediates, making it useful in reactions like esterification, alkylation, or nucleophilic substitution.
   Green Chemistry: Due to its low volatility and non-flammability, TBMA-TFSI is part of the green chemistry movement. It can reduce the need for volatile organic solvents, which are harmful to the environment and human health.

4. Extraction and Separation Processes
   Metal Ion Extraction: TBMA-TFSI can be used in extraction processes, such as in the separation of metal ions or rare earth elements. The ionic liquid can selectively extract certain metal ions from aqueous solutions, which is important for applications in recycling or mineral extraction.
   Solvent for Ionic Species: It can dissolve a wide range of ionic compounds, making it suitable for selective separations in chemical processing, especially when dealing with highly polar compounds.

5. Electrochemical Capacitors and Batteries for Advanced Applications
   Superionic Conductors and Solid-State Batteries: TBMA-TFSI is being researched for use in advanced superionic conductors, which are materials used in the development of solid-state batteries. These batteries are considered to be safer and more efficient than traditional lithium-ion batteries, and ionic liquids like TBMA-TFSI are key to improving their performance.
   Electrochemical Sensors: TBMA-TFSI's high ionic conductivity makes it useful in the development of electrochemical sensors, where its ability to efficiently conduct ions enhances sensor sensitivity and reliability.

6. Stabilizing Reactive Intermediates
   In certain chemical processes, especially those involving high reactivity or unstable intermediates, TBMA-TFSI can be used to stabilize these compounds during the reaction. Its highly stable nature helps prevent decomposition or side reactions.

7. Lubricants and Coatings
   Lubrication: Due to its ionic nature and high thermal stability, TBMA-TFSI can be used as a lubricant in high-performance applications, such as in machinery that operates at high temperatures or in clean, low-wear conditions.
   Protective Coatings: The chemical stability of TBMA-TFSI makes it a candidate for use in protective coatings, especially in environments where conventional coatings would break down due to heat, humidity, or chemical exposure.

8. Sensors for Chemical Detection
   TBMA-TFSI, when incorporated into sensors, can be used to detect a variety of chemical species. Its stability and ionic conductivity allow it to be integrated into sensors for applications in environmental monitoring, industrial process control, and medical diagnostics.

TBMA-TFSI is a versatile ionic liquid used in applications such as:

• Electrolytes in energy storage systems like batteries and supercapacitors

• Solvents for organic synthesis and catalysis

• Extraction and separation of metals

• Superionic conductors and advanced battery technologies

• Lubricants and protective coatings in high-temperature applications

• Its non-volatile, stable, and conductive properties make it highly valuable for a wide range of industries, particularly in electrochemistry, green chemistry, and energy storage technologies.