1-Ethyl-3-methylimidazolium Tetrafluoroborate CAS:143314-16-3

Time: 2025-5-23 10:45:27 Readed: 1900Times

Product Name
1-Ethyl-3-methylimidazolium Tetrafluoroborate ([EMIM][BF₄])

CAS Number
143314-16-3

Molecular Formula
C₆H₁₁N₂��BF₄

Appearance
Colorless to pale yellow clear liquid

Purity
��98% (HPLC), ��99% (ultra-high purity available)

Key Properties
Hydrophilic ionic liquid with wide liquid range (-15��C to >300��C)

High ionic conductivity (��14 mS/cm at 25��C)

Low viscosity (��37 cP at 25��C)

Excellent electrochemical stability (4.2 V vs. NHE)

Miscible with water and polar organic solvents

Applications
Electrochemistry

Electrolyte for supercapacitors, batteries, and electrodeposition

Green Solvent

Alternative to VOCs in catalysis (e.g., Heck reactions) and extractions

Gas Processing

CO₂ capture and separation membranes

Analytical Chemistry

Stationary phase in GC columns and matrix for MALDI-MS

Safety & Handling
Hygroscopic: Store under dry inert gas (N₂/Ar) with molecular sieves

Hydrolysis risk: Avoid prolonged exposure to moisture (>50��C may release HF)

PPE required: Chemical-resistant gloves and goggles

Packaging Options
Standard: 5mL, 25mL, 100mL (glass ampoules)

Bulk: 500g, 1kg (HDPE bottles with PTFE-lined caps)

Custom: Pre-dried quantities under argon

Storage Conditions
Maintain at 2-8��C in moisture-free environment

Shelf life: 24 months when properly stored

Quality Assurance
Batch-specific NMR and Karl Fischer reports provided

Halide content: <100 ppm (upon request)