phosphorus pentasulfide


Also found in: Wikipedia.

phosphorus pentasulfide

[′fäs·fə·rəs ¦pen·tə′səl‚fīd]
(inorganic chemistry)
P2S5 Flammable, hygroscopic, yellow crystals, melting at 281°C; decomposes in moist air; soluble in alkali hydroxides; used to make lube-oil additives, rubber additives, and flotation agents.
References in periodicals archive ?
The ICL oil additives business provides phosphorus pentasulfide used in the preparation of ZDDP-based lubricant additives, in engine anti-wear solutions that lead to prolonged combustion engine function, as well as in pesticide and mining chemicals applications.
This is followed by other important derivitavies such as industrial phosphates, phosphoric acid, phosphorus chloride, phosphorus pentasulfide and phosphorus pentoxide.
In August, for instance, Taiwan seized a shipment of phosphorus pentasulfide, a so-called dual use chemical that is largely used in the production of pesticides.
Despite strong protests from the ship's crew, local authorities boarded the ship and detained a total of 158 barrels of phosphorus pentasulfide, believed to be used for military purposes.