Pure nicotine refers to nicotine in its unadulterated form, typically extracted from tobacco plants. It is a highly potent alkaloid and the primary psychoactive component of tobacco. Pure nicotine is often used in various industries, including pharmaceuticals, agriculture, and the manufacturing of nicotine-based products such as e-liquids for vaping and nicotine replacement therapies. Due to its toxicity, pure nicotine must be handled with caution and stored safely to prevent accidental ingestion or exposure. It is commonly available in liquid or powder form, and its concentration can vary depending on the intended application. Quality control measures are essential to ensure the purity and safety of pure nicotine products.