Phosphorus pentoxide

CAS Registry Number®

1314-56-3
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CAS Name

Phosphorus pentoxide

Molecular Formula

O5P2

Cite this Page

Phosphorus pentoxide.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?ref=1314-56-3 (retrieved 2021-05-13) (CAS RN: 1314-56-3).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    500 °C
  • Melting Point (2)

    562 °C
  • Density (2)

    2.30 g/cm3

Source(s)

Other Names and Identifiers

Other Names for this Substance

  • Phosphorus oxide (P2O5)
  • Diphosphorus pentoxide
  • Phosphoric anhydride
  • Phosphorus pentaoxide
  • Phosphorus pentoxide

Deleted or Replaced CAS Registry Numbers

24377-84-2, 50811-86-4, 59778-57-3, 72906-42-4, 2566863-42-9