Nicotine – Scientific & Historical Overview
Botanical Origins & Chemical Characterisation of Nicotinend
Nicotine is a naturally occurring organic compound classified as an alkaloid. It is most commonly associated with plants of the Nicotiana genus and has been studied in chemistry and plant science since the 19th century.
Historical Context: Naming & Early European Documentation
The term “nicotine” derives from Jean Nicot, a 16th-century French diplomat connected with the early introduction of tobacco plants to European botanical collections. The plant genus Nicotiana was later named in his honour.
19th Century Chemical Isolation
Nicotine was first isolated as a distinct chemical compound in 1828 by German chemists Wilhelm Heinrich Posselt and Karl Ludwig Reimann, who extracted it from tobacco leaves and identified it as the primary active alkaloid.
This discovery became part of the broader development of alkaloid chemistry, a field focused on nitrogen-containing compounds produced by plants.
Botanical Sources (Solanaceae Family)
Nicotine is naturally present in plants of the Solanaceae family. While tobacco plants contain the most significant levels, trace amounts of nicotine have been reported in other Solanaceae species commonly used as food crops, including:
- Solanum melongena (eggplant / aubergine)
- Solanum lycopersicum (tomato)
- Solanum tuberosum (potato)
This botanical context is relevant to plant biochemistry and does not imply meaningful nicotine exposure from dietary sources.
Chemical Classification
- Chemical formula: C₁₀H₁₄N₂
- Classification: Alkaloid (tertiary amine)
- Natural occurrence: Primarily in Nicotiana species
As an alkaloid, nicotine belongs to a wider group of naturally occurring nitrogen-containing organic compounds that are commonly studied in plant chemistry and analytical toxicology.
Physical Properties (Technical Data)
| Property | Value | Reference Note |
|---|---|---|
| Molar mass | 162.23 g/mol | Molecular weight of nicotine compound |
| Density | ~1.01 g/cm³ | Approximate density at room temperature |
| Boiling point | ~247 °C | Reported boiling point for nicotine |
| Appearance | Oily liquid, colourless to pale yellow | General description used in chemical references |
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Historical & Chemical Reference MATRIX
| Topic | Key Information | Scientific Context |
|---|---|---|
| Etymology | Jean Nicot | Historical naming link to early European botanical documentation |
| Isolation | 1828 (Posselt & Reimann) | Early alkaloid chemistry milestone |
| Botany | Solanaceae family | Primary source: Nicotiana; trace presence in some Solanum species |
| Chemistry | Alkaloid, tertiary amine | Nitrogen-containing organic compound studied in analytical chemistry |
| Historical applications | Agricultural research | Investigated for toxicological properties and historic insecticidal use |
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Frequently Asked Questions
Who first isolated nicotine as a chemical compound?
Nicotine was first isolated in 1828 by German chemists Wilhelm Heinrich Posselt and Karl Ludwig Reimann.
What type of compound is nicotine?
Nicotine is classified as a naturally occurring alkaloid and a tertiary amine compound.
What is the chemical formula of nicotine?
The chemical formula of nicotine is C₁₀H₁₄N₂.
Why is nicotine named “nicotine”?
The compound is named after Jean Nicot, a French diplomat associated with early European botanical documentation of tobacco plants.
Scope & Neutral Statement
This page provides historical, botanical and chemical reference information regarding nicotine. It does not provide health advice, comparative product claims, or guidance on nicotine use.