Phosphorus oxide (P2O3)

CAS Registry Number®

1314-24-5
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CAS Name

Phosphorus oxide (P2O3)

Molecular Formula

O.P

Cite this Page

Phosphorus oxide (P2O3).   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=1314-24-5 (retrieved 2025-03-29) (CAS RN: 1314-24-5).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    175.4 °C

  • Melting Point (1)

    23.8 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/O.P

InChIKey

InChIKey=AFCIMSXHQSIHQW-UHFFFAOYSA-N

SMILES

[O].[P]

Canonical SMILES

[O].[P]

Other Names for this Substance

  • Phosphorus oxide (P2O3)
  • Diphosphorus trioxide
  • Phosphorus trioxide
  • Phosphorus sesquioxide

Deleted or Replaced CAS Registry Numbers

14415-15-7

CAS INSIGHTSTM
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