Back to Search
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 Mass:
46.97 g/mol
Names and Synonyms:
Phosphorus Trioxide
Phosphorus oxide (P2O3)
Diphosphorus trioxide
Phosphorus trioxide
Phosphorus sesquioxide
Identifiers:
SMILES:
[O].[P]
InChI:
InChI=1S/O.P
Key Properties
Boiling Point
175.4 °C
CAS Common Chemistry
Melting Point
23.8 °C
CAS Common Chemistry
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.
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 46.97 g/mol | CAS Common Chemistry |
| 46.973 g/mol | RDKit | |
| 46.96867625 g/mol | RDKit | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Phosphorus_trioxide | CAS Common Chemistry |
| Boiling Point | 175.4 °C | CAS Common Chemistry |
| Canonical SMILES | [O].[P] | CAS Common Chemistry |
| InChI | InChI=1S/O.P | CAS Common Chemistry |
| InChI Key | InChIKey=AFCIMSXHQSIHQW-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | 23.8 °C | CAS Common Chemistry |
| Name | Phosphorus oxide (P2O3) | CAS Common Chemistry |
| Phosphorus trioxide | CAS Common Chemistry | |
| Heavy Atom Count | 2 | RDKit |
| Hydrogen Bond Acceptors | 0 | RDKit |
| Hydrogen Bond Donors | 0 | RDKit |
| Rotatable Bonds | 0 | RDKit |
| Aromatic Ring Count | 0 | RDKit |
| Topological Polar Surface Area | 28.5 Ų | RDKit |
| LogP | 0.7424 | RDKit |
| Molar Refractivity | 7.6065 | RDKit |
