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Phosphorus Pentoxide (P2O5)-Powder

  • 1314-56-3
  • P2O5
  • 99.99 %-99.995%
  • - 100 mesh approx

Characteristic


Phosphorus pentoxide is a chemical compound with molecular formula P4O10 (with its common name derived from its empirical formula, P2O5). This white crystalline solid is the anhydride of phosphoric acid. It is a powerful desiccant and dehydrating agent.


Chemical formula:P4O10

Molar mass:283.9 g mol−1

Appearance:white powder

                     very deliquescent

                     odorless

Density:2.39 g/cm3

Melting point:340 °C (644 °F; 613 K)

Boiling point:360 °C (sublimes)

Solubility in water:exothermic hydrolysis

Vapor pressure:1 mmHg @ 385 °C (stable form)


Application


Used for preparing high purity high phosphoric acid, organic synthesis and gas desiccant, or for preparing polyphosphoric acid.



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