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Sigma-Aldrich

1-Butyl-3-methylimidazolium tetrafluoroborate

≥98%

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Synonym(s):
BMIMBF4
Empirical Formula (Hill Notation):
C8H15BF4N2
CAS Number:
Molecular Weight:
226.02
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

assay

≥98%

form

liquid

impurities

≤0.5% water

density

1.21 g/mL at 20 °C (lit.)

SMILES string

F[B-](F)(F)F.CCCCn1cc[n+](C)c1

InChI

1S/C8H15N2.BF4/c1-3-4-5-10-7-6-9(2)8-10;2-1(3,4)5/h6-8H,3-5H2,1-2H3;/q+1;-1

InChI key

LSBXQLQATZTAPE-UHFFFAOYSA-N

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1 of 4

This Item
709569150839931
Quality Level

100

Quality Level

200

Quality Level

100

Quality Level

100

form

liquid

form

liquid

form

liquid

form

-

density

1.21 g/mL at 20 °C (lit.)

density

1.38 g/mL at 20 °C (lit.)

density

1.21 g/mL at 20 °C (lit.)

density

1.21 g/mL at 20 °C (lit.)

impurities

≤0.5% water

impurities

-

impurities

-

impurities

≤0.05% water

General description

1-Butyl-3-methylimidazolium tetrafluoroborate is a hydrophilic room temperature ionic liquid (RTIL).

Application

1-Butyl-3-methylimidazolium tetrafluoroborate ([BMIM]BF4) can be used:  
  • As a reaction medium for the preparation NH4TiOF3 mesocrystals, which are converted into TiO2 based nanostructures.        
  • As a working fluid along with 2,2,2-trifluoroethanol in absorption heat pumps or chillers.       
  • As an electrolyte in lithium-ion batteries and double layer capacitors.

pictograms

Skull and crossbonesEnvironment

signalword

Danger

Hazard Classifications

Acute Tox. 3 Oral - Aquatic Chronic 2 - Eye Irrit. 2 - Skin Irrit. 2

Storage Class

6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk_germany

WGK 3

flash_point_f

550.4 °F

flash_point_c

288 °C

ppe

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


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Xiaojing Lv et al.
Nanotechnology, 31(35), 355201-355201 (2020-05-15)
TiO2 nanowires with high transparency and good ion storage capacity were explored as the charge-balancing layers for assembling electrochromic devices (ECDs). Increase thickness of TiO2 nanowires layer lowers the driving potential of the entire ECDs accompanied with reduced potential at
Nora Aranburu et al.
Polymers, 11(3) (2019-04-10)
Biobased thermoplastic polyurethane (bTPU)/unmodified graphene (GR) nanocomposites (NCs) were obtained by melt-mixing in a lab-scaled conventional twin-screw extruder. Alternatively, GR was also modified with an ionic liquid (GR-IL) using a simple preparation method with the aim of improving the dispersion
Effects of hydrophilic room-temperature ionic liquid 1-butyl-3-methylimidazolium tetrafluoroborate on direct electrochemistry and bioelectrocatalysis of heme proteins entrapped in agarose hydrogel films.
Wang SF, et al.
Electrochemical Communications, 9(7), 1709-1714 (2007)
Preparation and properties of nanostructure anatase TiO2 monoliths using 1-butyl-3-methylimidazolium tetrafluoroborate room-temperature ionic liquids as template solvents.
Liu Y, et al.
Crystal Growth & Design, 5(4), 1643-1649 (2005)
Is the mixture of 1-ethyl-3-methylimidazolium tetrafluoroborate and 1-butyl-3-methylimidazolium tetrafluoroborate applicable as electrolyte in electrical double layer capacitors?
Palm R, et al.
Electrochemical Communications, 22, 203-206 (2012)

Articles

Ionic liquids, also called room temperature ionic liquids, are organic salts that are liquid at, or close to, room temperature.

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