Ethylpyridinium iodide, >98%

Ethylpyridinium iodide, CAS: 872-90-2

Key Applications

1. Organic Synthesis & Catalysis

• Phase-transfer catalyst for nucleophilic substitution and alkylation reactions in polar and biphasic systems
• Halide source for iodide-mediated reductions, substitutions, and rearrangements
• Reagent for generating N‑ethylpyridinium intermediates in heterocycle functionalization
• Ionic medium for enhancing reaction rates in SN1/SN2 transformations

2. Materials Science & Electrochemistry

• Precursor salt for preparing pyridinium-based ionic liquids and molten salt mixtures
• Additive in polymer electrolytes to improve ionic mobility and dielectric behavior
• Component in redox-active systems where iodide/iodine cycling is required
• Dopant for conductive films and coatings to tune charge transport properties

3. Analytical & Spectroscopic Applications

• Calibration or reference iodide source for titrations, ion chromatography, and electroanalytical methods
• Supporting electrolyte in voltammetric studies involving iodide redox couples
• Matrix component for enhancing ionization efficiency in select mass spectrometric workflows

4. Pharmaceutical & Biochemical Research

• Quaternary ammonium model compound for studying membrane transport and ion–pair interactions
• Iodide donor in biochemical assays requiring controlled halide concentrations
• Structural analog for evaluating pyridinium-based drug delivery or targeting motifs

5. General Laboratory & Industrial Uses

• Stabilizer or charge carrier in formulations requiring high halide availability
• Intermediate for synthesizing functional pyridinium derivatives and surfactant-like species
• Additive in crystallization or solubilization studies involving polar organic systems

Please contact us if you want to learn more or need assistance with your order.