Nicotine, also known as nicotine, is an alkaloid found in plants of the Solanaceae family (mainly tobacco). Its chemical structure contains pyridine ring and pyrrolidine ring, and it is a colorless to light yellow transparent oily liquid with a burning and spicy taste. It has strong alkalinity and can be dissolved in various solvents.

Source: Nicotine is mainly derived from tobacco. Tobacco leaves contain nicotine, which is synthesized in the roots and transported to the aboveground parts for accumulation. The content is affected by variety, planting environment, and technology, and is generally around 1-3%.

Application areas of nicotine:

1. Electronic cigarettes: They are the main application area of nicotine and occupy a large market share.

2. Medicine: It can be used as an auxiliary anesthetic and can also be used to make nutritional supplements. Niacin produced by oxidation can also be used as a pharmaceutical additive.

3. Pesticides: Neonicotinoid insecticides can prevent and control various crop pests.

4. Scientific research: It has wide applications in pharmacological experiments, content determination, identification and other scientific research fields.

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