Description

1-Ethyl-3-Methylimidazolium Trifluoro(Trifluoromethyl)Borate CAS NO 681856-28-0 is a high-purity ionic liquid belonging to the advanced class of fluorinated borate salts. This compound is engineered to deliver exceptional electrochemical stability and low volatility, making it a critical component for next-generation energy storage and advanced material synthesis. It is primarily sought by researchers and manufacturers in the fields of lithium-ion battery electrolytes, catalysis, and specialty chemical synthesis who require reliable, high-performance materials.

Application

• Advanced Electrolyte Additive for lithium-ion and lithium-metal batteries to enhance conductivity and cycling stability.
• Solvent and Reaction Medium in specialized organic synthesis and catalysis due to its unique ionic properties.
• Component in Electrochemical Devices such as supercapacitors and sensors.
• Research & Development for novel ionic liquid applications in material science and green chemistry.
• Plasticizer and Additive for high-performance polymers requiring specific thermal and electrochemical properties.

Basic Information

Product Name	1-Ethyl-3-Methylimidazolium Trifluoro(Trifluoromethyl)Borate
CAS No.	681856-28-0
Molecular Formula	C7H11BF6N2
Molecular Weight	239.98 g/mol
Synonyms	EMIM TFFAB; [EMIM][TFFAB]; 1-Ethyl-3-methylimidazolium tris(trifluoromethyl)borate(1-); 1-Ethyl-3-methyl-1H-imidazol-3-ium trifluoro(trifluoromethyl)borate(1-); Ionic Liquid [EMIM][BF3(CF3)]; EMIM tris(trifluoromethyl)borate; EMIM-BF3CF3
EINECS	Contact for details

Quality Control

Our 1-Ethyl-3-Methylimidazolium Trifluoro(Trifluoromethyl)Borate is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including NMR, HPLC, and Karl Fischer titration, to ensure high purity and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to guarantee reliable performance in your critical applications.

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 a dry inert atmosphere (e.g., nitrogen or argon) to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Halide Content (Cl⁻)	≤ 100 ppm
Density (25°C)	~1.4 g/cm³

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