Description
N-Butylpyridinium tetrafluoroborate, also commonly referred to as 1-Butylpyridinium tetrafluoroborate, is an ionic liquid with the CAS number 203389-28-0. This compound consists of an N-butylpyridinium cation and a tetrafluoroborate () anion. It is characterized by its low volatility, high thermal stability, and good electrochemical stability. Typically appearing as a clear colorless to yellow or light orange/green liquid at room temperature, it possesses good solvation properties for various polar and ionic solutes. Its non-hygroscopic nature (resistance to moisture absorption) is an added benefit in many applications. These features make N-butylpyridinium tetrafluoroborate a versatile compound in electrochemistry, organic synthesis, and materials science.
Properties
Property Value CAS Number 203389-28-0 Molecular Formula Molecular Weight Appearance Clear colorless to yellow/light orange/green liquid; viscous oil Melting Point (can be liquid at room temperature) Density Refractive Index Storage Temperature Room Temperature (Recommended in a cool, dark place, <15°C), under inert atmosphere Key Characteristics Low volatility, high thermal stability, good electrochemical stability, non-hygroscopic Synonyms 1-Butylpyridinium tetrafluoroborate, [BPy][BF4], N-butylpyridine tetrafluoroborate
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