1-Butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide CAS 174899-83-3

Chemical Name: 1-Butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide
CAS No.: 174899-83-3
Molecular Formula: C8H15N2.C2F6NO4S2
Molecular Weight: 419.366
Appearance: Liquid

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Comprehensive Guide to 1-Butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide (CAS 174899-83-3)

Table of Contents

Product Specifications & Comparative Analysis

Parameter BMIM-TFSI Conventional Ionic Liquids
CAS Number 174899-83-3 N/A
Molecular Formula C₉H₁₅F₆N₃O₄S₂ Varies
Thermal Stability >300°C 150-250°C
Conductivity (25°C) 8.4 mS/cm 2-5 mS/cm
Viscosity 52 cP 80-200 cP

Industrial Applications & Functional Uses

Electrochemical Systems

Preferred electrolyte for lithium-ion batteries due to:

  • High thermal stability prevents thermal runaway
  • Superior ionic conductivity enhances charge/discharge rates
  • Wide electrochemical window (4.5V)

Catalytic Processes

Effective solvent/catalyst in:

  • Friedel-Crafts alkylation reactions
  • Diels-Alder reactions
  • Biocatalytic transformations

Operational Protocols

Storage Requirements

  • Maintain argon atmosphere
  • Store at 15-25°C in amber glass
  • Maximum moisture content: 50 ppm

Handling Procedures

  • Use glove boxes with O₂<0.1 ppm
  • Employ PTFE-lined equipment
  • Post-use purification methods

Implementation Case Analysis

Battery Optimization – EV Manufacturer

Client: Leading European EV producer (confidential)

  • Application: High-voltage battery electrolyte
  • Results:
    • Cycle life increased by 40%
    • Energy density提升22%
    • Operating temperature range expanded to -30°C~80°C

Pharmaceutical Synthesis

Client: Top 10 Global Pharma Company

  • Application: Green solvent for API production
  • Results:
    • Reaction yield improved from 68% → 92%
    • Solvent recovery rate: 99.3%
    • Reduced purification steps by 60%

Verified Client Implementations

Case 1: Advanced Energy Solutions Ltd.

  • Industry: Energy Storage Systems
  • Usage: Supercapacitor electrolyte formulation
  • Key Metrics:
    • Power density: 18.5 kW/kg
    • Cycle stability: 100,000+ cycles
    • Operating voltage: 3.8V

Case 2: NanoCatalyst Technologies Inc.

  • Industry: Chemical Manufacturing
  • Usage: Cross-coupling reaction medium
  • Performance Gains:
    • Catalyst turnover number: 1.2×10⁶
    • Reaction time reduction: 8h → 2.5h
    • Byproduct reduction: 83%

Technical Consultation & Ordering Information

Contact our material science specialists:

Request following information for faster service:

  • Application field
  • Required purity level
  • Volume requirements
  • Technical specifications
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