- InChI
- InChI=1S/H3P/h1H3
- InChI Key
- XYFCBTPGUUZFHI-UHFFFAOYSA-N
- Formula
- PH3
- SMILES
- P
- Molecular Weight1
- 34.00
- CAS
- 7803-51-2
- Other Names
-
- Fosforowodor
- Gas-ex-B
- Hydrogen phosphide
- PH3
- PHOSPHOROUS TRIHYDRIDE
- Phosphene
- Phosphorus hydride
- Phosphorus trihydride
- Phosphorwasserstoff
- Rcra waste number P096
- Trihydrogen phosphide
- UN 2199
- ω : Acentric Factor.
- PAff : Proton affinity (kJ/mol).
- BasG : Gas basicity (kJ/mol).
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- μ : Dipole Moment (debye).
- ΔfG° : Standard Gibbs free energy of formation (kJ/mol).
- ΔfH°gas : Enthalpy of formation at standard conditions (kJ/mol).
- ΔsubH : Enthalpy of sublimation at a given temperature (kJ/mol).
- ΔvapH : Enthalpy of vaporization at a given temperature (kJ/mol).
- IE : Ionization energy (eV).
- logPoct/wat : Octanol/Water partition coefficient.
- McVol : McGowan's characteristic volume (ml/mol).
- Pc : Critical Pressure (kPa).
- Ptriple : Triple Point Pressure (kPa).
- Pvap : Vapor pressure (kPa).
- ρg : Gas Density (kg/m3).
- ρl : Liquid Density (kg/m3).
- Tboil : Normal Boiling Point Temperature (K).
- Tc : Critical Temperature (K).
- Tfus : Normal melting (fusion) point (K).
- Ttriple : Triple Point Temperature (K).
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| ω | 0.0380 | KDB | |
| PAff | 785.00 | kJ/mol | NIST |
| BasG | 750.90 | kJ/mol | NIST |
| μ | 0.60 | debye | KDB |
| ΔfG° | 25.41 | kJ/mol | KDB |
| ΔfH°gas | 22.90 | kJ/mol | KDB |
| IE | [9.87; 10.59] | eV |
|
| IE | 9.87 ± 0.00 | eV | NIST |
| IE | 9.87 ± 0.01 | eV | NIST |
| IE | 9.87 ± 0.00 | eV | NIST |
| IE | 9.87 ± 0.01 | eV | NIST |
| IE | 9.96 | eV | NIST |
| IE | 10.00 | eV | NIST |
| IE | 9.96 | eV | NIST |
| IE | 9.96 ± 0.01 | eV | NIST |
| IE | 10.13 ± 0.02 | eV | NIST |
| IE | 9.97 ± 0.02 | eV | NIST |
| IE | 10.28 | eV | NIST |
| IE | 10.05 ± 0.05 | eV | NIST |
| IE | 10.10 | eV | NIST |
| IE | 10.30 ± 0.10 | eV | NIST |
| IE | 9.98 | eV | NIST |
| IE | Outlier 10.59 | eV | NIST |
| IE | Outlier 10.59 ± 0.05 | eV | NIST |
| logPoct/wat | 0.058 | Crippen Calculated Property | |
| McVol | 31.320 | ml/mol | McGowan Calculated Property |
| Pc | [6535.00; 6540.00] | kPa |
|
| Pc | 6535.46 | kPa | Mathews (1972), critical constants of inorganic substances Compiled value |
| Pc | 6535.00 | kPa | Air Liquide Gas Encyclopedia |
| Pc | 6540.00 | kPa | KDB |
| Ptriple | 3.65 | kPa | Staveley, Lobo and Calado (1981), triple points Compiled value |
| Tboil | [185.38; 185.40] | K |
|
| Tboil | 185.38 | K | Air Liquide Gas Encyclopedia |
| Tboil | 185.40 | K | KDB |
| Tc | [324.50; 324.80] | K |
|
| Tc | 324.80 | K | Mathews (1972), critical constants of inorganic substances Compiled value |
| Tc | 324.75 | K | Air Liquide Gas Encyclopedia |
| Tc | 324.50 | K | KDB |
| Tfus | [139.15; 140.00] | K |
|
| Tfus | 139.15 | K | Air Liquide Gas Encyclopedia |
| Tfus | 140.00 | K | KDB |
| Ttriple | [139.36; 139.41] | K |
|
| Ttriple | 139.36 | K | Staveley, Lobo and Calado (1981), triple points Compiled value |
| Ttriple | 139.41 ± 0.20 | K | NIST |
Cheméo can also estimate Critical Volume, Enthalpy of vaporization at standard conditions, Log10 of Water solubility in mol/l for this compound, but they fall outside the models' validated range, so they are not shown here. Open the prediction tool to compute them on demand.
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| ΔsubH | 17.20 | kJ/mol | 134.50 | NIST |
| ΔvapH | [14.58; 14.60] | kJ/mol | [185.00; 186.00] |
|
| ΔvapH | 14.60 | kJ/mol | 185.00 | NIST |
| ΔvapH | 14.58 | kJ/mol | 185.38 | Air Liquide Gas Encyclopedia |
| ΔvapH | 14.60 ± 0.10 | kJ/mol | 186.00 | NIST |
| ρg | [1.45; 3.92] | kg/m3 | [185.38; 288.15] |
|
| ρg | 3.92 | kg/m3 | 185.38 | Air Liquide Gas Encyclopedia |
| ρg | 1.45 | kg/m3 | 288.15 | Air Liquide Gas Encyclopedia |
| ρl | [740.00; 1529.00] | kg/m3 | [185.38; 298.00] |
|
| ρl | 740.00 | kg/m3 | 185.38 | Air Liquide Gas Encyclopedia |
| ρl | 1529.00 | kg/m3 | 298.00 | KDB |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [37.10; 68.52] | J/mol×K | [298.00; 1200.00] |
NIST
|
| Equation | Y = A + B·t + C·t² + D·t³ + E/t², t = T/1000 Y is Cp,gas in J/mol×K, T in K | |||
| Coefficient A | 1.19001e+01 | |||
| Coefficient B | 8.44670e+01 | |||
| Coefficient C | -3.80429e+01 | |||
| Coefficient D | 5.69543e+00 | |||
| Coefficient E | 2.89233e-01 | |||
| Reference | Chase, 1998 | |||
| Comment | F=16.87884, G=202.7286, H=5.469890; Data last reviewed in June, 1962 | |||
| Temperature range, min. | 298.00 | |||
| Temperature range, max. | 1200.00 | |||
| Cp,gas | 37.10 | J/mol×K | 298.00 | Calculated Property |
| Cp,gas | 41.69 | J/mol×K | 398.22 | Calculated Property |
| Cp,gas | 46.42 | J/mol×K | 498.44 | Calculated Property |
| Cp,gas | 50.86 | J/mol×K | 598.67 | Calculated Property |
| Cp,gas | 54.89 | J/mol×K | 698.89 | Calculated Property |
| Cp,gas | 58.46 | J/mol×K | 799.11 | Calculated Property |
| Cp,gas | 61.60 | J/mol×K | 899.33 | Calculated Property |
| Cp,gas | 64.30 | J/mol×K | 999.56 | Calculated Property |
| Cp,gas | 66.60 | J/mol×K | 1099.78 | Calculated Property |
| Cp,gas | 68.52 | J/mol×K | 1200.00 | Calculated Property |
| Cp,gas | [68.42; 82.42] | J/mol×K | [1200.00; 6000.00] |
NIST
|
| Equation | Y = A + B·t + C·t² + D·t³ + E/t², t = T/1000 Y is Cp,gas in J/mol×K, T in K | |||
| Coefficient A | 7.43371e+01 | |||
| Coefficient B | 4.65976e+00 | |||
| Coefficient C | -9.05288e-01 | |||
| Coefficient D | 6.07780e-02 | |||
| Coefficient E | -1.48443e+01 | |||
| Reference | Chase, 1998 | |||
| Comment | F=-31.67367, G=258.3582, H=5.469890; Data last reviewed in June, 1962 | |||
| Temperature range, min. | 1200.00 | |||
| Temperature range, max. | 6000.00 | |||
| Cp,gas | 68.42 | J/mol×K | 1200.00 | Calculated Property |
| Cp,gas | 75.07 | J/mol×K | 1733.33 | Calculated Property |
| Cp,gas | 78.07 | J/mol×K | 2266.67 | Calculated Property |
| Cp,gas | 79.73 | J/mol×K | 2800.00 | Calculated Property |
| Cp,gas | 80.73 | J/mol×K | 3333.33 | Calculated Property |
| Cp,gas | 81.34 | J/mol×K | 3866.67 | Calculated Property |
| Cp,gas | 81.72 | J/mol×K | 4400.00 | Calculated Property |
| Cp,gas | 81.98 | J/mol×K | 4933.33 | Calculated Property |
| Cp,gas | 82.19 | J/mol×K | 5466.67 | Calculated Property |
| Cp,gas | 82.42 | J/mol×K | 6000.00 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [3.62; 6536.88] | kPa | [139.37; 324.75] |
The Yaws Handbook of Vapor Pressure
|
| Equation | ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K | |||
| Coefficient A | 1.40657e+01 | |||
| Coefficient B | -1.66816e+03 | |||
| Coefficient C | -8.84000e+00 | |||
| Temperature range, min. | 139.37 | |||
| Temperature range, max. | 324.75 | |||
| Pvap | 3.62 | kPa | 139.37 | Calculated Property |
| Pvap | 20.65 | kPa | 159.97 | Calculated Property |
| Pvap | 77.60 | kPa | 180.57 | Calculated Property |
| Pvap | 219.64 | kPa | 201.16 | Calculated Property |
| Pvap | 508.30 | kPa | 221.76 | Calculated Property |
| Pvap | 1014.48 | kPa | 242.36 | Calculated Property |
| Pvap | 1810.15 | kPa | 262.96 | Calculated Property |
| Pvap | 2961.25 | kPa | 283.55 | Calculated Property |
| Pvap | 4522.89 | kPa | 304.15 | Calculated Property |
| Pvap | 6536.88 | kPa | 324.75 | Calculated Property |
| Pvap | [5.40; 100.55] | kPa | [143.80; 185.70] |
NIST
|
| Equation | ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K | |||
| Coefficient A | 1.38752e+01 | |||
| Coefficient B | -1.61791e+03 | |||
| Coefficient C | -1.10650e+01 | |||
| Reference | Stull, 1947 | |||
| Comment | Coefficents calculated by NIST from author's data. | |||
| Temperature range, min. | 143.80 | |||
| Temperature range, max. | 185.70 | |||
| Pvap | 5.40 | kPa | 143.80 | Calculated Property |
| Pvap | 8.16 | kPa | 148.46 | Calculated Property |
| Pvap | 12.00 | kPa | 153.11 | Calculated Property |
| Pvap | 17.23 | kPa | 157.77 | Calculated Property |
| Pvap | 24.19 | kPa | 162.42 | Calculated Property |
| Pvap | 33.27 | kPa | 167.08 | Calculated Property |
| Pvap | 44.94 | kPa | 171.73 | Calculated Property |
| Pvap | 59.67 | kPa | 176.39 | Calculated Property |
| Pvap | 78.01 | kPa | 181.04 | Calculated Property |
| Pvap | 100.55 | kPa | 185.70 | Calculated Property |
Similar Compounds
Find more compounds similar to Phosphine.
Sources
- Air Liquide Gas Encyclopedia
- Mathews (1972), critical constants of inorganic substances ChEDL chemicals 1.5.2, from Mathews, J. F. Critical Constants of Inorganic Substances. Chem. Rev. 1972, 72, 71-100.
- Staveley, Lobo and Calado (1981), triple points ChEDL chemicals 1.5.2, from Staveley, L. A. K.; Lobo, L. Q.; Calado, J. C. G. Triple-Points of Low Melting Substances and Their Use in Cryogenic Work. Cryogenics 1981, 21, 131-144.
- Crippen Method
- Crippen Method
- KDB
- McGowan Method
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
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