phosphoric anhydride


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Related to phosphoric anhydride: pentoxide, Diphosphorus pentoxide

phosphoric anhydride

[fä′sfȯr·ik an′hī‚drīd]
(inorganic chemistry)
P2O5 A flammable, dangerous, soft-white deliquescent powder; used as a dehydrating agent, in medicine and sugar refining, and as a chemical intermediate and analytical reagent. Also known as anhydrous phosphoric acid; phosphoric oxide; phosphorus pentoxide.
References in periodicals archive ?
It is established that kinetics of dephosphorization is determined by content of oxygen in boundary layers of the metal, degree of oxygen transition to the contact surface, on which phosphorus oxidation reaction takes place, degree of phosphorus transition to the same surface, and reaction proper of phosphorus oxidation with formation of phosphoric anhydride.