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711721

1-Ethyl-3-methylimidazolium tetrafluoroborate

Name: 1-Ethyl-3-methylimidazolium tetrafluoroborate
Brand: ALDRICH

≥98% (HPLC)

Synonym(s):

EMIMBF₄

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About This Item

Empirical Formula (Hill Notation):

C₆H₁₁BF₄N₂

CAS Number:

143314-16-3

Molecular Weight:

197.97

NACRES:

NA.22

PubChem Substance ID:

329763083

UNSPSC Code:

12352100

MDL number:

MFCD00216668

Assay:

≥98% (HPLC)

Form:

liquid

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Properties

Quality Level

100

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

Description

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.

Application

1-Ethyl-3-methylimidazolium tetrafluoroborate-doped high ionic conductivity gel electrolytes with reduced anodic reaction potentials for electrochromic devices: This study reports the preparation of a 1-Ethyl-3-methylimidazolium tetrafluoroborate ([Emim] BF₄)-doped Poly(methyl methacrylate)(PMMA)-based gel electrolyte for electrochromic applications, showing improved ionic conductivity and reduced anodic reaction potentials (Tang et al., 2017).