- InChI
- InChI=1S/FH/h1H
- InChI Key
- KRHYYFGTRYWZRS-UHFFFAOYSA-N
- Formula
- FH
- SMILES
- F
- Molecular Weight1
- 20.01
- CAS
- 7664-39-3
- Other Names
-
- ANHYDROUS HYDROFLUORIC ACID
- FLUORIC ACID
- hydrofluoric acid
- 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).
- ΔfusH° : Enthalpy of fusion at standard conditions (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).
- Pvap : Vapor pressure (kPa).
- ρg : Gas Density (kg/m3).
- ρl : Liquid Density (kg/m3).
- S°gas,1 bar : Molar entropy at standard conditions (1 bar) (J/mol×K).
- Tboil : Normal Boiling Point Temperature (K).
- Tc : Critical Temperature (K).
- Tfus : Normal melting (fusion) point (K).
- Vc : Critical Volume (m3/kmol).
- Zc : Critical Compressibility.
- Zra : Rackett Parameter.
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| ω | 0.3290 | KDB | |
| PAff | 484.00 | kJ/mol | NIST |
| BasG | 456.70 | kJ/mol | NIST |
| μ | 1.90 | debye | KDB |
| ΔfG° | -273.40 | kJ/mol | KDB |
| ΔfH°gas | [-273.30; 273.10] | kJ/mol |
|
| ΔfH°gas | 273.10 | kJ/mol | KDB |
| ΔfH°gas | -273.30 ± 0.70 | kJ/mol | NIST |
| ΔfusH° | 0.52 | kJ/mol | Joback Calculated Property |
| IE | [15.92; 16.12] | eV |
|
| IE | 16.03 ± 0.04 | eV | NIST |
| IE | 16.06 | eV | NIST |
| IE | 15.98 ± 0.04 | eV | NIST |
| IE | 16.05 | eV | NIST |
| IE | 15.98 ± 0.04 | eV | NIST |
| IE | 16.00 ± 1.00 | eV | NIST |
| IE | 16.04 | eV | NIST |
| IE | 16.05 ± 0.04 | eV | NIST |
| IE | 16.10 | eV | NIST |
| IE | 16.04 ± 0.00 | eV | NIST |
| IE | 16.03 ± 0.01 | eV | NIST |
| IE | 16.01 ± 0.01 | eV | NIST |
| IE | 16.05 ± 0.01 | eV | NIST |
| IE | Outlier 15.92 ± 0.01 | eV | NIST |
| IE | 16.05 ± 0.01 | eV | NIST |
| IE | 16.06 ± 0.01 | eV | NIST |
| IE | 16.12 ± 0.04 | eV | NIST |
| logPoct/wat | 0.153 | Crippen Calculated Property | |
| McVol | 12.630 | ml/mol | McGowan Calculated Property |
| Pc | 6480.00 | kPa | KDB |
| S°gas,1 bar | 173.78 ± 0.00 | J/mol×K | NIST |
| Tboil | [292.70; 293.00] | K |
|
| Tboil | 293.00 | K | KDB |
| Tboil | 292.70 ± 0.25 | K | NIST |
| Tc | 461.00 | K | KDB |
| Tfus | [189.79; 190.00] | K |
|
| Tfus | 189.79 | K | KDB |
| Tfus | 190.00 ± 0.20 | K | NIST |
| Vc | 0.069 | m3/kmol | KDB |
| Zc | 0.1166500 | KDB | |
| Zra | 0.15 | KDB |
Cheméo can also estimate 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 |
|---|---|---|---|---|
| Cp,gas | [5.04; 9.73] | J/mol×K | [198.17; 333.29] |
|
| Cp,gas | 5.04 | J/mol×K | 198.17 | Joback Calculated Property |
| Cp,gas | 6.13 | J/mol×K | 220.69 | Joback Calculated Property |
| Cp,gas | 7.09 | J/mol×K | 243.21 | Joback Calculated Property |
| Cp,gas | 7.92 | J/mol×K | 265.73 | Joback Calculated Property |
| Cp,gas | 8.63 | J/mol×K | 288.25 | Joback Calculated Property |
| Cp,gas | 9.23 | J/mol×K | 310.77 | Joback Calculated Property |
| Cp,gas | 9.73 | J/mol×K | 333.29 | Joback Calculated Property |
| ΔvapH | [25.20; 25.20] | kJ/mol | [255.00; 265.00] |
|
| ΔvapH | 25.20 | kJ/mol | 255.00 | NIST |
| ΔvapH | 25.20 | kJ/mol | 265.00 | NIST |
| ρl | 967.00 | kg/m3 | 293.00 | KDB |
Datasets
Mass density, kg/m3
| Fixed | Measured | |
|---|---|---|
| Temperature, K - Gas | Pressure, kPa - Gas | Mass density, kg/m3 - Gas |
| 293.15 | 27.70 | 0.2320 |
| 293.15 | 29.00 | 0.2450 |
| 293.15 | 31.80 | 0.2820 |
| 293.15 | 34.50 | 0.3200 |
| 293.15 | 37.20 | 0.3600 |
| 293.15 | 41.50 | 0.4380 |
| 293.15 | 55.50 | 0.8020 |
| 293.15 | 69.30 | 1.311 |
| 293.15 | 83.30 | 1.954 |
| 293.15 | 98.60 | 2.86 |
| 303.15 | 26.40 | 0.2120 |
| 303.15 | 29.40 | 0.2390 |
| 303.15 | 34.20 | 0.2830 |
| 303.15 | 38.00 | 0.3200 |
| 303.15 | 41.50 | 0.3560 |
| 303.15 | 45.10 | 0.3950 |
| 303.15 | 52.70 | 0.4910 |
| 303.15 | 64.80 | 0.6940 |
| 303.15 | 78.00 | 0.9990 |
| 303.15 | 90.00 | 1.359 |
| 303.15 | 102.60 | 1.818 |
| 303.15 | 114.80 | 2.327 |
| 303.15 | 126.70 | 2.883 |
| 303.15 | 141.60 | 3.802 |
| 313.15 | 36.40 | 0.2800 |
| 313.15 | 39.60 | 0.3070 |
| 313.15 | 42.50 | 0.3310 |
| 313.15 | 53.30 | 0.4260 |
| 313.15 | 57.00 | 0.4610 |
| 313.15 | 62.10 | 0.5100 |
| 313.15 | 74.00 | 0.6440 |
| 313.15 | 90.70 | 0.8830 |
| 313.15 | 109.10 | 1.246 |
| 313.15 | 129.30 | 1.787 |
| 313.15 | 148.00 | 2.417 |
| 313.15 | 165.70 | 3.118 |
| 313.15 | 180.30 | 3.777 |
| 313.15 | 29.30 | 0.2270 |
| 313.15 | 35.90 | 0.2800 |
| 313.15 | 41.40 | 0.3260 |
| 313.15 | 48.30 | 0.3850 |
| 313.15 | 55.10 | 0.4470 |
| 313.15 | 68.90 | 0.5900 |
| 313.15 | 82.80 | 0.7670 |
| 313.15 | 96.60 | 0.9920 |
| 313.15 | 110.30 | 1.285 |
| 313.15 | 124.30 | 1.653 |
| 313.15 | 138.00 | 2.078 |
| 313.15 | 152.00 | 2.579 |
| 313.15 | 165.80 | 3.133 |
| 313.15 | 180.50 | 3.797 |
| 323.15 | 55.00 | 0.4220 |
| 323.15 | 100.90 | 0.8420 |
| 323.15 | 117.90 | 1.05 |
| 323.15 | 156.90 | 1.731 |
| 323.15 | 181.40 | 2.343 |
| 323.15 | 204.50 | 3.061 |
| 323.15 | 228.70 | 3.949 |
| 333.15 | 29.20 | 0.2180 |
| 333.15 | 99.90 | 0.7590 |
| 333.15 | 142.20 | 1.147 |
| 333.15 | 180.00 | 1.61 |
| 333.15 | 222.80 | 2.36 |
| 333.15 | 246.20 | 2.902 |
| 333.15 | 276.40 | 3.753 |
| 333.15 | 317.30 | 5.162 |
| 333.15 | 343.50 | 6.229 |
| 333.15 | 112.60 | 0.8630 |
| 333.15 | 163.70 | 1.386 |
| 333.15 | 199.20 | 1.904 |
| 333.15 | 234.80 | 2.612 |
| 333.15 | 270.80 | 3.552 |
| 333.15 | 305.80 | 4.693 |
| 333.15 | 341.50 | 6.088 |
| 343.15 | 24.60 | 0.1790 |
| 343.15 | 67.30 | 0.4880 |
| 343.15 | 141.70 | 1.05 |
| 343.15 | 244.70 | 2.094 |
| 343.15 | 289.60 | 2.791 |
| 343.15 | 340.60 | 3.856 |
| 343.15 | 375.40 | 4.777 |
| 343.15 | 414.80 | 6.034 |
| 343.15 | 455.30 | 7.553 |
| 353.15 | 50.50 | 0.3520 |
| 353.15 | 118.50 | 0.8330 |
| 353.15 | 189.00 | 1.359 |
| 353.15 | 279.30 | 2.154 |
| 353.15 | 334.20 | 2.782 |
| 353.15 | 391.10 | 3.617 |
| 353.15 | 450.10 | 4.75 |
| 353.15 | 509.00 | 6.216 |
| 353.15 | 583.50 | 8.604 |
| 363.15 | 78.70 | 0.5230 |
| 363.15 | 151.20 | 1.024 |
| 363.15 | 268.60 | 1.886 |
| 363.15 | 349.70 | 2.574 |
| 363.15 | 435.20 | 3.463 |
| 363.15 | 519.50 | 4.617 |
| 363.15 | 610.30 | 6.318 |
| 363.15 | 704.70 | 8.73 |
| 363.15 | 792.40 | 11.696 |
| 373.15 | 59.50 | 0.3890 |
| 373.15 | 135.10 | 0.8900 |
| 373.15 | 249.70 | 1.674 |
| 373.15 | 360.60 | 2.495 |
| 373.15 | 444.90 | 3.191 |
| 373.15 | 555.70 | 4.277 |
| 373.15 | 661.80 | 5.611 |
| 373.15 | 768.80 | 7.405 |
| 373.15 | 872.60 | 9.733 |
| 373.15 | 971.70 | 12.608 |
| 383.15 | 109.30 | 0.6900 |
| 383.15 | 256.80 | 1.656 |
| 383.15 | 388.40 | 2.569 |
| 383.15 | 518.30 | 3.557 |
| 383.15 | 666.40 | 4.865 |
| 383.15 | 794.60 | 6.263 |
| 383.15 | 928.90 | 8.187 |
| 383.15 | 1067.00 | 10.825 |
| 383.15 | 1201.00 | 14.245 |
| 393.15 | 172.30 | 1.108 |
| 393.15 | 337.70 | 2.178 |
| 393.15 | 505.50 | 3.335 |
| 393.15 | 674.90 | 4.611 |
| 393.15 | 840.70 | 6.052 |
| 393.15 | 1013.00 | 7.764 |
| 393.15 | 1175.00 | 10.132 |
| 393.15 | 1344.00 | 13.239 |
| 393.15 | 1498.00 | 17.048 |
| 403.15 | 240.60 | 1.492 |
| 403.15 | 449.30 | 2.829 |
| 403.15 | 652.20 | 4.216 |
| 403.15 | 862.30 | 5.791 |
| 403.15 | 1069.00 | 7.588 |
| 403.15 | 1278.00 | 9.802 |
| 403.15 | 1491.00 | 12.74 |
| 403.15 | 1709.00 | 16.83 |
| 403.15 | 1897.00 | 21.668 |
| 413.15 | 222.30 | 1.32 |
| 413.15 | 371.40 | 2.232 |
| 413.15 | 508.90 | 3.095 |
| 413.15 | 683.20 | 4.229 |
| 413.15 | 883.60 | 5.621 |
| 413.15 | 1059.00 | 6.93 |
| 413.15 | 1234.00 | 8.38 |
| 413.15 | 1399.00 | 9.914 |
| 413.15 | 1557.00 | 11.607 |
| 413.15 | 1728.00 | 13.746 |
| 413.15 | 2034.00 | 18.831 |
| 413.15 | 2223.00 | 23.108 |
| 433.15 | 309.80 | 1.785 |
| 433.15 | 698.60 | 4.1 |
| 433.15 | 1068.90 | 6.452 |
| 433.15 | 1452.00 | 9.113 |
| 433.15 | 1847.00 | 12.286 |
| 433.15 | 2258.00 | 16.303 |
| 433.15 | 2635.00 | 21.034 |
| 433.15 | 3001.00 | 27.275 |
| 433.15 | 3365.00 | 36.362 |
| 433.15 | 3703.00 | 50.976 |
| 453.15 | 476.50 | 2.703 |
| 453.15 | 1014.00 | 5.793 |
| 453.15 | 1550.00 | 9.121 |
| 453.15 | 2081.00 | 12.797 |
| 453.15 | 2621.00 | 17.077 |
| 453.15 | 3133.00 | 21.99 |
| 453.15 | 3651.00 | 28.309 |
| 453.15 | 4173.00 | 36.974 |
| 453.15 | 4738.00 | 51.158 |
| 453.15 | 5189.00 | 73.046 |
| 473.15 | 398.60 | 2.061 |
| 473.15 | 719.10 | 3.785 |
| 473.15 | 1113.00 | 5.969 |
| 473.15 | 1557.00 | 8.541 |
| 473.15 | 1986.00 | 11.159 |
| 473.15 | 2275.00 | 13.033 |
| 473.15 | 2590.00 | 15.167 |
| 473.15 | 2992.00 | 18.107 |
| 473.15 | 3473.00 | 22.184 |
| 473.15 | 4349.00 | 30.552 |
| 473.15 | 4995.00 | 38.609 |
| 473.15 | 5640.00 | 49.429 |
| 473.15 | 6393.00 | 68.899 |
| 473.15 | 7041.00 | 98.187 |
| Reference | ||
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [0.34; 6487.21] | kPa | [189.79; 461.15] |
The Yaws Handbook of Vapor Pressure
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 1.66910e+01 | |||
| Coefficient B | -3.86983e+03 | |||
| Coefficient C | 2.78700e+01 | |||
| Temperature range, min. | 189.79 | |||
| Temperature range, max. | 461.15 | |||
| Pvap | 0.34 | kPa | 189.79 | Calculated Property |
| Pvap | 2.93 | kPa | 219.94 | Calculated Property |
| Pvap | 15.94 | kPa | 250.09 | Calculated Property |
| Pvap | 62.26 | kPa | 280.24 | Calculated Property |
| Pvap | 190.71 | kPa | 310.39 | Calculated Property |
| Pvap | 486.41 | kPa | 340.55 | Calculated Property |
| Pvap | 1076.70 | kPa | 370.70 | Calculated Property |
| Pvap | 2131.34 | kPa | 400.85 | Calculated Property |
| Pvap | 3856.89 | kPa | 431.00 | Calculated Property |
| Pvap | 6487.21 | kPa | 461.15 | Calculated Property |
Similar Compounds
![[2H]hydrogen fluoride.](data:image/png;base64,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)
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Mixtures
Sources
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- Vapor PVT and Vapor Pressure of Hydrogen Fluoride
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- Joback Method
- KDB
- McGowan Method
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
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