Turpentin

Turpentin, also known as turpentine, is a volatile, flammable liquid obtained by distilling resin produced by pine trees. It is primarily composed of monoterpenes, especially α-pinene and β-pinene, with smaller amounts of camphene, limonene, terpineol, and other terpenes.

Turpentine is produced from oleoresin tapped from living pine trees (gum turpentine) or from resin derived from processed wood (wood turpentine). It is recovered by steam distillation of crude oleoresin or by the dry distillation of rosin. The exact composition varies with tree species and production method.

Key uses include as a solvent for thinning and cleaning oil-based paints, varnishes, shellacs, and other coatings; as a cleaning agent for brushes and equipment; and as a chemical feedstock for fragrances and organic synthesis. Historically it has also been used as lamp fuel and a medicinal solvent, but such applications are less common today due to safety concerns and evolving industrial practices.

Safety and handling considerations are important. Turpentine is highly flammable and releases vapors that can irritate the eyes, skin, and respiratory tract. Prolonged or repeated exposure may affect the nervous system and can cause dermatitis in sensitive individuals. Adequate ventilation, away from heat and ignition sources, and storage in tightly closed containers are essential, as is proper disposal according to local regulations.

Environmental and regulatory notes emphasize responsible sourcing of resin and safe handling in production and use. Turpentine remains a common industrial solvent, with ongoing attention to worker safety and environmental impact.