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Phosphorus Trioxide

CAS: 1314-24-5 | OP

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 1314-24-5
Molecular Formula: OP
Molecular Weight: 46.973 g/mol

Names and Synonyms:

Phosphorus Trioxide Common Name
Phosphorus sesquioxide Synonym
Phosphorus trioxide Synonym
Diphosphorus trioxide Synonym
Phosphorus oxide (P2O3) Synonym

Identifiers:

SMILES:
[O].[P]
InChI:
InChI=1S/O.P

Spectral Data

NMR, IR, and Mass spectral data

1H NMR
13C NMR
Predicting NMR spectra...
10 ppm 9 8 7 6 5 4 3 2 1 0 ppm
Shift (ppm) Multiplicity Integration Assignment
200 ppm 180 160 140 120 100 80 60 40 20 0 ppm
Shift (ppm) DEPT Assignment

Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.

External Resources

All Properties

Comprehensive physical and chemical properties

Physical Properties

Property Value Source
molecular_mass 46.97 g/mol Legacy Database
wikipedia_url https://en.wikipedia.org/wiki/Phosphorus_trioxide None Legacy Database
cas-boiling-point 175.4 °C None Legacy Database
cas-canonical-smile [O].[P] None Legacy Database
cas-inchi InChI=1S/O.P None Legacy Database
cas-inchi-key InChIKey=AFCIMSXHQSIHQW-UHFFFAOYSA-N None Legacy Database
cas-melting-point 23.8 °C None Legacy Database
cas-name Phosphorus oxide (P2O3) None Legacy Database
wikipedia-name Phosphorus trioxide None Legacy Database
LogP 0.7424 RDKit

Molecular

Property Value Source
Molecular Weight 46.973 g/mol RDKit

Exact

Property Value Source
Exact Molecular Weight 46.96867625 g/mol RDKit

Heavy

Property Value Source
Heavy Atom Count 2 count RDKit

Hydrogen

Property Value Source
Hydrogen Bond Acceptors 0 count RDKit
Hydrogen Bond Donors 0 count RDKit

Rotatable

Property Value Source
Rotatable Bonds 0 count RDKit

Aromatic

Property Value Source
Aromatic Ring Count 0 count RDKit

Topological

Property Value Source
Topological Polar Surface Area 28.5 Ų RDKit

Molar

Property Value Source
Molar Refractivity 7.6065 RDKit

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