Phosphorus trichloride is an inorganic compound with the chemical formula PCl3. A colorless liquid when pure, it is an important industrial chemical, being used for the manufacture of phosphites and other organophosphorus compounds. It is toxic and reacts readily with water to release hydrogen chloride.
Phosphorus trichloride
Louis Jacques Thénard was a French chemist.
Louis Jacques Thénard
Traité de chimie élémentaire, théorique et pratique, 1817