- InChI
- InChI=1S/H3O3P/c1-4(2)3/h4H,(H2,1,2,3)
- InChI Key
- ABLZXFCXXLZCGV-UHFFFAOYSA-N
- Formula
- H3O3P
- SMILES
- O=[PH](O)O
- Molecular Weight1
- 82.00
- CAS
- 13598-36-2
- Other Names
-
- (HO)2HPO
- phosphorous acid
- ω : Acentric Factor.
- ΔfG° : Standard Gibbs free energy of formation (kJ/mol).
- ΔfH°gas : Enthalpy of formation at standard conditions (kJ/mol).
- ΔvapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
- IE : Ionization energy (eV).
- log10WS : Log10 of Water solubility in mol/l.
- logPoct/wat : Octanol/Water partition coefficient.
- McVol : McGowan's characteristic volume (ml/mol).
- Pc : Critical Pressure (kPa).
- Tboil : Normal Boiling Point Temperature (K).
- Tc : Critical Temperature (K).
- Tfus : Normal melting (fusion) point (K).
- Vc : Critical Volume (m3/kmol).
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| ω | 0.7076 | Relay (1.0) Calculated Property | |
| ΔfG° | -464.05 | kJ/mol | Relay (1.0-beta) Calculated Property |
| ΔfH°gas | -578.28 | kJ/mol | Relay (1.0) Calculated Property |
| ΔvapH° | 78.85 | kJ/mol | Relay (1.0) Calculated Property |
| IE | 12.16 | eV | Relay (1.0) Calculated Property |
| log10WS | 2.86 | Relay (1.0) Calculated Property | |
| logPoct/wat | -0.639 | Crippen Calculated Property | |
| McVol | 48.930 | ml/mol | McGowan Calculated Property |
| Pc | 7532.38 | kPa | Relay (1.0-beta) Calculated Property |
| Tboil | 482.56 | K | Relay (1.0) Calculated Property |
| Tc | 739.09 | K | Relay (1.0) Calculated Property |
| Tfus | 311.02 | K | Relay (1.0) Calculated Property |
| Vc | 0.196 | m3/kmol | Relay (1.0) Calculated Property |
Similar Compounds
Find more compounds similar to phosphonic acid.
Mixtures
Sources
- Cheméo Relay (1.0)
- Cheméo Relay (1.0, beta) Beta: served but experimental, data-limited and below our cross-validation release bar; the Joback value is recommended where available.
- Crippen Method
- Crippen Method
- Thermodynamic characteristics of reactions with KH(PO3H)
- Densities, Viscosities, and Conductivities of Phosphonic Acid Solutions in N,N-Dimethylformamide and Water
- McGowan Method
- NIST Webbook
Note: Cheméo is only indexing the data, follow the source links to retrieve the latest data. The source is also providing more information like the publication year, authors and more. Take the time to validate and double check the source of the data.