CAS:10025-87-3 Molecular Formula:POCl3 Formula Weight:153.33
Phosphorus oxychloride is a colourless liquid.
It hydrolyses in moist air to phosphoric acid to release choking fumes of hydrogen chloride. It is manufactured industrially on a large scale from phosphorus trichloride and oxygen or phosphorus pentoxide. It is mainly used to make phosphate esters such as tricresyl phosphate.