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Sigma-Aldrich

1-Butyl-3-methylimidazolium tetrafluoroborate

≥98%

Synonym(s):

BMIMBF4

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About This Item

Empirical Formula (Hill Notation):
C8H15BF4N2
CAS Number:
Molecular Weight:
226.02
MDL number:
UNSPSC Code:
12352100
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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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

Signal Word

Danger

Hazard Statements

Hazard Classifications

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

Storage Class Code

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

WGK

WGK 3

Flash Point(F)

550.4 °F

Flash Point(C)

288 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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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)
Mixed ionic liquid as electrolyte for lithium batteries
Diaw M, et al.
Journal of Power Sources, 146(1-2), 682-684 (2005)
Refractive index and heat capacity of 1-butyl-3-methylimidazolium bromide and 1-butyl-3-methylimidazolium tetrafluoroborate, and vapor pressure of binary systems for 1-butyl-3-methylimidazolium bromide+ trifluoroethanol and 1-butyl-3-methylimidazolium tet
Kim K-S, et al.
Fluid Phase Equilibria, 218(2), 215-220 (2004)
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)
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)

Articles

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

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

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

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

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