Phosphorus(V) oxychloride is widely used as a dehydrating agent and a chlorinating agent. Useful for the conversion of amide to nitriles, Bischler-Napieralski reaction, Vilsmeier Haak reaction, and other reactions producing commercially important intermediates. Acts a source of liquid phosphorus in semiconductor industry. Manufacture of trialkyl phosphate esters and triarylphosphate esters, including commercially popular tricresyl phosphate,which is useful as a plasticizer, flame retardant, gasoline additive, hydrolytic fluid, etc.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.