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900772 Sigma-Aldrich

1-Ethyl-3-methylimidazolium tetrafluoroborate

≥99%, <1000 ppm H2O

Synonym: 1-Methyl-3-ethylimidazolium tetrafluoroborate, 1-Ethyl-3-methyl-1H-imidazolium tetrafluoroborate, EMIMBF4

  • CAS Number 143314-16-3

  • Empirical Formula (Hill Notation) C6H11BF4N2

  • Molecular Weight 197.97

  •  MDL number MFCD00216668

  •  NACRES NA.23

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Properties

Related Categories Alternative Energy, Electrolyte Materials, Lithium-Ion Batteries, Materials Science
Quality Level   100
assay   ≥99%
impurities   <1000 ppm H2O
refractive index   n20/D 1.413 (lit.)
bp   >350 °C (lit.)
mp   15 °C (lit.)
density   1.294 g/mL at 25 °C (lit.)
Featured Industry   Battery Manufacturing
SMILES string   F[B-](F)(F)F.CCn1cc[n+](C)c1
InChI   1S/C6H11N2.BF4/c1-3-8-5-4-7(2)6-8;2-1(3,4)5/h4-6H,3H2,1-2H3;/q+1;-1
InChI key   CUNYTRQQXKCRTJ-UHFFFAOYSA-N

Description

General description

1-Ethyl-3-methylimidazolium tetrafluoroborate is a class of electrolytic materials that can be used in the fabrication of lithium-ion batteries. Lithium-ion batteries consist of anode, cathode, and electrolyte with a charge-discharge cycle. These materials enable the formation of greener and sustainable batteries for electrical energy storage.

Application

Ionic liquids (ILs) are molten salts with melting points lower than 100 °C. They usually consist of pair of organic cation and anion. ILs exhibit unique properties such as nonvolatility, high thermal stability, and high ionic conductivity and find applications as electrolytes in lithium/sodium ion batteries and dye-sensitized solar cells. They are also used as media for synthesis of conducting polymers and intercalation electrode materials.

Safety & Documentation

Safety Information

Symbol 
Signal word 
Warning
Hazard statements 
Precautionary statements 
RIDADR 
UN 3082 9 / PGIII
WGK Germany 
WGK 3
Flash Point(F) 
235.4 °F - closed cup
Flash Point(C) 
113 °C - closed cup
Protocols & Articles

Articles

Electrolyte Reagents for Lithium-Ion Batteries

Introduction Battery grade electrolytes Solvents and additives Preparation of customized battery grade electrolyte solutions Materials References
Dr. Koji Abe
Advanced Energy Materials R&D Center, Chemicals Company, UBE Industries, Ltd.
Keywords: Acid value, Industries, Solvents

Ionic Liquids Based Electrolytes for Rechargeable Batteries

1AB Systems Inc., 2458 Embarcadero Way, Palo Alto, California 94303, USA 2College of Electronic Engineering and Automation, Shandong University of Science and Technology, 266590, Qingdao, China 3Depa...
Meng-Chang Lin,1,2* Hui Chen,2 and Hongjie Dai3*
Material Matters, 2018, 13.1
Keywords: Alkylations, Catalysis, Deposition, Diffusion, Electrochemical analysis, Environmental, Ligands, Mass spectrometry, Melting, Metathesis, Nanomaterials, Oxidations, Photovoltaics, Redox Reactions, Reductions, Separation, Solvents

Solid-State Rechargeable Batteries

1 CAS Center for Excellence in Nanoscience, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 100083, China 2 School of Nanoscience and Technology, University of C...
Keywords: Diffraction, Diffusion, Electronics, Microscopy, Nitrogen phosphorus detector, Scanning electron microscopy, Substitutions, Transmission electron microscopy

Peer-Reviewed Papers
15

References

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