00768

1-Ethyl-3-methylimidazolium tetrafluoroborate

for electrochemistry, ≥99.0% (HPLC)

• Synonym(s): EMIMBF₄
• Empirical Formula (Hill Notation): C₆H₁₁BF₄N₂
• CAS Number: 143314-16-3
• Molecular Weight: 197.97
• MDL number: MFCD00216668
• UNSPSC Code: 12352100
• PubChem Substance ID: 329747135
• NACRES: NA.22

Properties

• grade: for electrochemistry
• Quality Level: 100
• Assay: ≥99.0% (HPLC)
• form: liquid
• impurities: ≤200 ppm water
• refractive index: n20/D 1.413 (lit.)
• bp: >350 °C (lit.)
• mp: 15 °C (lit.)
• density: 1.294 g/mL at 25 °C (lit.)
• anion traces: bromide (Br^-): ≤10 mg/kg; chloride (Cl^-): ≤10 mg/kg; nitrate (NO₃^-): ≤10 mg/kg; sulfate (SO₄^2-): ≤10 mg/kg
• 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

Application

1-Ethyl-3-methylimidazolium tetrafluoroborate is a room temperature ionic liquid widely used as an electrolyte in electrochemical studies. Its diffusion coefficient, ¹³C spin-lattice relaxation times, and nuclear Overhauser enhancements have been analyzed using NMR techniques to study its hydrogen bonding. Some of its fundamental physical and chemical properties such as density, viscosity, thermal stability, surface tension, refractive index and pH have been studied over a wide range of temperature.

Safety Information

• Pictograms: GHS07,GHS09
• Signal Word: Warning
• Hazard Statements: H302,H411
• Precautionary Statements: P264 - P270 - P273 - P301 + P312 - P391 - P501
• Hazard Classifications: Acute Tox. 4 Oral - Aquatic Chronic 2
• Storage Class Code: 10 - Combustible liquids
• WGK: WGK 3
• Flash Point(F): 235.4 °F - closed cup
• Flash Point(C): 113 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves