Description

n-(Trimethylsilyl)Bis(Trifluoromethanesulfonyl)Imide is a highly reactive silylating agent and a key precursor for generating the bis(trifluoromethanesulfonyl)imide (TFSI) anion. This compound matters for its role in synthesizing advanced electrolytes and ionic liquids, which are critical for high-performance lithium-ion batteries and other electrochemical devices. It is primarily needed by researchers and manufacturers in the energy storage, specialty chemical, and pharmaceutical sectors for developing next-generation materials.

Application

• Lithium-Ion Battery Electrolytes: As a key precursor for lithium bis(trifluoromethanesulfonyl)imide (LiTFSI), a vital salt in high-voltage and thermally stable electrolytes.
• Ionic Liquid Synthesis: Used to introduce the TFSI anion, creating ionic liquids with low viscosity, high conductivity, and excellent thermal stability for various applications.
• Silylating Agent: Employed in organic synthesis to introduce the trimethylsilyl (TMS) protecting group onto sensitive functional groups like alcohols, amines, and acids.
• Superacid Catalyst Preparation: Serves as a precursor for generating strong, non-coordinating anions used in catalysis and polymerization processes.
• Pharmaceutical Intermediates: Utilized in the synthesis of complex drug molecules where specific silylation or anion metathesis steps are required.
• Polymer Electrolytes: A component in the development of solid polymer electrolytes for safer battery technologies.

Basic Information

Product Name	n-(Trimethylsilyl)Bis(Trifluoromethanesulfonyl)Imide
CAS No.	82113-66-4
Molecular Formula	C5H6F6NO4S2Si
Molecular Weight	350.31 g/mol
Synonyms	Trimethylsilyl Bis(trifluoromethanesulfonyl)imide; TMS-TFSI; (Trimethylsilyl)bis(trifluoromethanesulfonyl)amide; N-(Trimethylsilyl)bis(trifluoromethanesulfonyl)imide; TMS Imide; TMSNTf2; 1,1,1-Trifluoro-N-[(trimethylsilyl)oxy]methanesulfonamide; Trimethylsilyl Triflimide
EINECS	Contact for details

Quality Control

Our n-(Trimethylsilyl)Bis(Trifluoromethanesulfonyl)Imide is produced under stringent quality management protocols. Each batch undergoes rigorous analytical testing, including NMR, HPLC, and Karl Fischer titration, to ensure high purity and consistency. Certificates of Analysis (COA) detailing all specifications are available upon request to support your quality assurance and R&D documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be handled under an inert atmosphere (e.g., nitrogen or argon) to prevent degradation. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.