Used as intermediates in pharmaceuticals, ionic liquids, and catalysts. Pyridinium chloride and sulfate variants serve in organic synthesis, surfactants, and phase-transfer reactions.

Irritant and potentially toxic if inhaled or ingested. Avoid contact with strong oxidizing agents and use in ventilated areas.

Delivered in 25 kg drums or 5 L amber glass containers. Store cool, dry, and sealed away from heat and moisture.