Description

1-Butyl-3-methylimidazolium tetrafluoroborate (CAS No. 174501-65-6) is a high-purity ionic liquid widely used in electrochemical and catalysis research. With the molecular formula C₈H₁₅BF₄N₂, this compound is an excellent solvent and electrolyte due to its low volatility, high thermal stability, and broad electrochemical window. Its hydrophobic nature and chemical inertness make it ideal for applications requiring moisture-insensitive conditions. Available in purities ranging from ≥97.0% (HPLC) to ≥98.5% (HPLC), it is suitable for HPLC, catalysis, and advanced material synthesis. Packaged under inert conditions to ensure stability, this product is a staple in laboratories focused on green chemistry, energy storage, and organic synthesis.

Properties

• CAS Number: 174501-65-6
• Complexity: 112
• IUPAC Name: 1-butyl-3-methyl-imidazol-3-ium;tetrafluoroborate
• InChI: 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
• Exact Mass: 226.1264413
• Molecular Formula: C8H15BF4N2
• Molecular Weight: 226.03
• SMILES: [B-](F)(F)(F)F.CCCCN1C=C[N+](=C1)C
• Topological: 8.8
• Monoisotopic Mass: 226.1264413
• Synonyms: 1-Butyl-3-methylimidazolium tetrafluoroborate, 174501-65-6, DTXSID5049231, DTXCID7029087, B-MI-TFB, BMIM-BF4, 638-831-1, 3-Butyl-1-methyl-1H-imidazol-3-ium tetrafluoroborate, BMIMBF4, 1-n-Butyl-3-Methylimidazolium Tetrafluoroborate, Bmim tetrafluoroborate, Butylmethylimidazolium tetrafluoroborate, 1-Methyl-3-butylimidazolium tetrafluoroborate, 1-Butyl-3-methylimidazolium terafluoroborate, 3-Butyl-1-methylimidazolium tetrafluoroborate, T2TVZ2306T, Butylmethylimidazolium tetrafluoroborate [MI], 1-butyl-3-methylimidazol-3-ium;tetrafluoroborate, 1-Butyl-3-methylimidazolium tetrafluoroborate(1-), 1H-Imidazolium, 3-butyl-1-methyl-, tetrafluoroborate(1-) (1:1), UNII-T2TVZ2306T, MFCD03095449, C8H15BF4N2, [Bmim]BF4, SCHEMBL34458, SCHEMBL34459, BMIm Tetrafluoroborate(1-);, SCHEMBL1536894, CHEMBL3186788, Bmim Tetrafluoroborate; BmimBF4;, LSBXQLQATZTAPE-UHFFFAOYSA-N, Tox21_202621, AKOS007930082, AKOS016004437, FB33679, NSC 746785, NSC-746785, NCGC00260169-01, AC-30202, AS-17856, 1-butyl-3-methylimidazolium tetrafluorborate, 1-butyl-3-methylimidazolium tetrafluoroborat, B2195, CAS-174501-65-6, 1-Butyl-3-methylimidazolium Tetrafluoroborate;, 1-Methyl-3-butylimidazolium Tetrafluoroborate;, 3-Butyl-1-methylimidazolium Tetrafluoroborate;, 1-n-Butyl-3-methylimidazolium Tetrafluoroborate;, 1-Butyl-3-methylimidazolium Tetrafluoroborate(1-);, 1-Methyl-3-butylimidazolium Tetrafluoroborate(1-);, 3-Butyl-1-methyl-1H-imidazol-3-iumtetrafluoroborate, Q6143623, 1-butyl-3-methyl-1H-imidazol-3-ium tetrafluoroborate, 1-butyl-3-methyl-3H-imidazol-1-ium tetrafluoroborate, 1-Butyl-3-methylimidazolium tetrafluoroborate, >=98%, 1-Butyl-3-methylimidazolium tetrafluoroborate, puriss, 1-Butyl-3-methylimidazolium tetrafluoroborateBMIMBF4, 1-Butyl-3-methyl-1H-imidazolium Tetrafluoroborate(1-);, 1-Butyl-3-methylimidazolium tetrafluoroborate, for HPLC, F0001-0635, 1-Butyl-3-methylimidazolium tetrafluoroborate, for catalysis, 1-Butyl-3-methylimidazolium tetrafluoroborate [BMIM] [BF4], 1-Butyl-3-methylimidazolium tetrafluoroborate, >=97.0% (HPLC), 1-Butyl-3-methylimidazolium tetrafluoroborate, for catalysis, >=98.5% (HPLC), 1-Butyl-1-methylimidazolium Tetrafluoroborate; 1-Butyl-3-methyl-1H-imidazolium Tetrafluoroborate; 1-Butyl-3-methyl-1H-imidazolium Tetrafluoroborate(1-);

1-Butyl-3-methylimidazolium tetrafluoroborate is extensively used as an electrolyte in lithium-ion batteries and supercapacitors due to its high ionic conductivity. It serves as a green solvent in organic synthesis, replacing volatile organic compounds (VOCs) in reactions like Diels-Alder and Heck coupling. Researchers also employ it in electrodeposition and as a phase-transfer catalyst. Its stability under extreme conditions makes it valuable in high-temperature electrochemical studies.

Safety and Hazards

GHS Hazard Statements

• H301 (77%): Toxic if swallowed [Danger Acute toxicity, oral]
• H315 (97.8%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (97.8%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (20.9%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
• H411 (77.7%): Toxic to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]

Precautionary Statements

• P261, P264, P264+P265, P270, P271, P273, P280, P301+P316, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P391, P403+P233, P405, and P501

Hazard Classes and Categories

• Acute Tox. 3 (77%)
• Skin Irrit. 2 (97.8%)
• Eye Irrit. 2 (97.8%)
• STOT SE 3 (20.9%)
• Aquatic Chronic 2 (77.7%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.