Description
Tetrabutylammonium hexafluorophosphate (TBAPF6), CAS 3109-63-5, is a quaternary ammonium salt. It is composed of a tetrabutylammonium cation () and a hexafluorophosphate anion (). This compound is highly valued in electrochemistry as a supporting electrolyte, particularly for non-aqueous systems. Its popularity stems from its excellent solubility in a wide range of organic solvents, a broad electrochemical window (meaning it doesn’t easily oxidize or reduce), good thermal stability, and the relatively inert nature of the hexafluorophosphate anion. These characteristics allow for the study of electrochemical processes over a wide potential range with minimal interference from the electrolyte itself. While primarily a laboratory chemical for research and industrial electrochemical applications, it is not typically considered a “pharmaceutical product” for direct therapeutic use but may be employed in the electrochemical synthesis or analysis of pharmaceutical substances.
Properties
Property Value CAS Number 3109-63-5 Chemical Name Tetrabutylammonium hexafluorophosphate(1-); N,N,N-Tributyl-1-butanaminium hexafluorophosphate(1-) Common Acronym TBAPF6; TBAP; TBAHFP; TBAHP Molecular Formula Molecular Weight 387.43 g/mol Appearance White to off-white crystalline powder or crystals Melting Point Approximately (may vary with purity) Solubility Soluble in many organic solvents (e.g., acetonitrile, dichloromethane, acetone, THF, DMF, DMSO); very slightly soluble to insoluble in water. Electrochemical Window Very wide, making it suitable for a broad range of electrochemical studies. Conductivity Provides good ionic conductivity in organic electrolyte solutions. Purity/Grades Typically available in reagent grade, high purity, and electrochemical grade (e.g., >98%, >99%). Stability Thermally stable and relatively resistant to hydrolysis. Hygroscopic; should be stored in a dry place. Contact Us Now!
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