Description
Tributylmethylammonium bis(trifluoromethanesulfonyl)imide, CAS 405514-94-5, is a quaternary ammonium-based ionic liquid. It consists of a tributylmethylammonium cation () and a bis(trifluoromethanesulfonyl)imide anion (, often abbreviated as TFSI⁻ or NTf₂⁻). This compound is characterized by its low melting point (often liquid at or near room temperature), high thermal stability, wide electrochemical window, good ionic conductivity, and general non-flammability. The bulky and asymmetric cation combined with the delocalized charge of the TFSI⁻ anion contributes to these desirable ionic liquid properties. It is primarily utilized in electrochemical applications, such as electrolytes in batteries and supercapacitors, as a specialty solvent for chemical reactions and separations, and in various advanced material science research areas. While the request mentions “pharmaceutical product,” this compound is a specialty chemical for industrial and research applications rather than a direct therapeutic agent.
Properties
Property Value CAS Number 405514-94-5 Chemical Name Methyltributylammonium bis[(trifluoromethyl)sulfonyl]azanide; Tributylmethylammonium bis(trifluoromethanesulfonyl)imide Common Acronyms ; ; Molecular Formula Molecular Weight 492.53 g/mol Appearance Typically a colorless to pale yellow, viscous liquid at room temperature, or a low-melting solid. Melting Point Low, often below room temperature (can vary, e.g., around to ; some sources may report glass transition temperature) Density Approximately 1.25 – 1.35 g/cm³ at (varies with temperature and purity) Viscosity Moderately viscous liquid (e.g., in the range of 50-150 mPa·s at , can vary) Ionic Conductivity Good (e.g., in the range of 1-10 mS/cm at room temperature) Electrochemical Window Wide (typically > 4 V, can be up to 5-6 V) Thermal Stability High (decomposition temperature often >, some sources > or >) Solubility Soluble in many organic solvents; typically immiscible or poorly soluble in water; good solvent for various organic and inorganic compounds. Purity/Grades Available in various purity grades, including high purity for electrochemical applications (e.g., >98%, >99%, low water content). Contact Us Now!
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