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Sigma-Aldrich

1-Ethyl-3-methylimidazolium tetrafluoroborate

≥98% (HPLC)

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Synonym(s):
EMIMBF4
Empirical Formula (Hill Notation):
C6H11BF4N2
CAS Number:
Molecular Weight:
197.97
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

assay

≥98% (HPLC)

form

liquid

impurities

≤0.5% 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.)

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

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1 of 4

This Item
7095690077200768
density

1.294 g/mL at 25 °C (lit.)

density

1.38 g/mL at 20 °C (lit.)

density

1.294 g/mL at 25 °C (lit.)

density

1.294 g/mL at 25 °C (lit.)

refractive index

n20/D 1.413 (lit.)

refractive index

n20/D 1.411 (lit.)

refractive index

n20/D 1.413 (lit.)

refractive index

n20/D 1.413 (lit.)

bp

>350 °C (lit.)

bp

-

bp

>350 °C (lit.)

bp

>350 °C (lit.)

form

liquid

form

liquid

form

liquid

form

liquid

mp

15 °C (lit.)

mp

-

mp

15 °C (lit.)

mp

15 °C (lit.)

General description

1-Ethyl-3-methylimidazolium tetrafluoroborate is an air and water stable, room temperature ionic liquid (RTIL). It can be prepared by reacting 1-ethyl-3-methylimidazolium bromide with tetrafluoroboric acid.

pictograms

Exclamation markEnvironment

signalword

Warning

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 2

Storage Class

10 - Combustible liquids

wgk_germany

WGK 3

flash_point_f

235.4 °F - closed cup

flash_point_c

113 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter


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Crystal structures of frozen room temperature ionic liquids, 1-ethyl-3-methylimidazolium tetrafluoroborate (EMImBF 4), hexafluoroniobate (EMImNbF 6) and hexafluorotantalate (EMImTaF 6), determined by low-temperature X-ray diffraction
Matsumoto, Kazuhiko, et al.
Solid State Sciences, 8.10, 1250-1257 (2006)
Efficient, halide free synthesis of new, low cost ionic liquids: 1, 3-dialkylimidazolium salts containing methyl-and ethyl-sulfate anions
Holbrey, John D., et al.
Green Chemistry, 4.5, 407-413 (2002)
Density and Viscosity Measurements for Binary Mixtures of 1-Ethyl-3-methylimidazolium Tetrafluoroborate ([Emim][BF4]) with Dimethylacetamide, Dimethylformamide, and Dimethyl Sulfoxide
Fan, Xian-Heng, Yan-Ping Chen, and Chie-Shaan Su.
Journal of Chemical and Engineering Data, 61.2, 920-927 (2016)
Solubility of carbon dioxide in 1-ethyl-3-methylimidazolium tetrafluoroborate
Soriano, Allan N., Bonifacio T. Doma Jr, and Meng-Hui Li
Journal of Chemical and Engineering Data, 53.11, 2550-2555 (2008)
Flexible Asymmetric Supercapacitor Based on Structure?Optimized Mn3O4/Reduced Graphene Oxide Nanohybrid Paper with High Energy and Power Density
Hu, Yating, et al.
Advances in Functional Materials, 25.47, 7291-7299 (2015)

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