- InChI
- InChI=1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)
- InChI Key
- NBIIXXVUZAFLBC-UHFFFAOYSA-N
- Formula
- H3O4P
- SMILES
- O=P(O)(O)O
- Molecular Weight1
- 98.00
- CAS
- 7664-38-2
- Other Names
-
- O-PHOSPHORIC ACID
- orthophosphoric acid
- Cp,liquid : Liquid phase heat capacity (J/mol×K).
- Cp,solid : Solid phase heat capacity (J/mol×K).
- logPoct/wat : Octanol/Water partition coefficient.
- McVol : McGowan's characteristic volume (ml/mol).
- Tfus : Normal melting (fusion) point (K).
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| logPoct/wat | -0.929 | Crippen Calculated Property | |
| McVol | 54.800 | ml/mol | McGowan Calculated Property |
| Tfus | 304.32 | K | Jean-Claude Bradley Open Melting Point Dataset (2014, CC0) Compiled value |
Cheméo can also estimate Normal Boiling Point Temperature, Critical Temperature, Critical Pressure, Critical Volume, Enthalpy of formation at standard conditions, Enthalpy of vaporization at standard conditions, Standard Gibbs free energy of formation, Acentric Factor, Ionization energy, 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.
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,liquid | [150.27; 356.48] | J/mol×K | [315.50; 1000.00] |
NIST
|
| Equation | Y = A + B·t + C·t² + D·t³ + E/t², t = T/1000 Y is Cp,liquid in J/mol×K, T in K | |||
| Coefficient A | 5.52096e+01 | |||
| Coefficient B | 3.01320e+02 | |||
| Coefficient C | -9.51940e-02 | |||
| Coefficient D | 4.23100e-02 | |||
| Coefficient E | 5.12000e-04 | |||
| Reference | Chase, 1998 | |||
| Comment | F=-1301.517, G=127.7551, H=-1271.664; Data last reviewed in December, 1971 | |||
| Temperature range, min. | 315.50 | |||
| Temperature range, max. | 1000.00 | |||
| Cp,liquid | 150.27 | J/mol×K | 315.50 | Calculated Property |
| Cp,liquid | 173.18 | J/mol×K | 391.56 | Calculated Property |
| Cp,liquid | 196.10 | J/mol×K | 467.61 | Calculated Property |
| Cp,liquid | 219.01 | J/mol×K | 543.67 | Calculated Property |
| Cp,liquid | 241.92 | J/mol×K | 619.72 | Calculated Property |
| Cp,liquid | 264.83 | J/mol×K | 695.78 | Calculated Property |
| Cp,liquid | 287.74 | J/mol×K | 771.83 | Calculated Property |
| Cp,liquid | 310.65 | J/mol×K | 847.89 | Calculated Property |
| Cp,liquid | 333.57 | J/mol×K | 923.94 | Calculated Property |
| Cp,liquid | 356.48 | J/mol×K | 1000.00 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,solid | [106.01; 111.31] | J/mol×K | [298.00; 315.50] |
NIST
|
| Equation | Y = A + B·t + C·t² + D·t³ + E/t², t = T/1000 Y is Cp,solid in J/mol×K, T in K | |||
| Coefficient A | 1.54833e+01 | |||
| Coefficient B | 3.03744e+02 | |||
| Coefficient C | -9.68190e-01 | |||
| Coefficient D | 3.86907e-01 | |||
| Coefficient E | 7.64500e-03 | |||
| Reference | Chase, 1998 | |||
| Comment | F=-1302.458, G=38.80221, H=-1284.375; Data last reviewed in December, 1971 | |||
| Temperature range, min. | 298.00 | |||
| Temperature range, max. | 315.50 | |||
| Cp,solid | 106.01 | J/mol×K | 298.00 | Calculated Property |
| Cp,solid | 106.60 | J/mol×K | 299.94 | Calculated Property |
| Cp,solid | 107.19 | J/mol×K | 301.89 | Calculated Property |
| Cp,solid | 107.78 | J/mol×K | 303.83 | Calculated Property |
| Cp,solid | 108.36 | J/mol×K | 305.78 | Calculated Property |
| Cp,solid | 108.95 | J/mol×K | 307.72 | Calculated Property |
| Cp,solid | 109.54 | J/mol×K | 309.67 | Calculated Property |
| Cp,solid | 110.13 | J/mol×K | 311.61 | Calculated Property |
| Cp,solid | 110.72 | J/mol×K | 313.56 | Calculated Property |
| Cp,solid | 111.31 | J/mol×K | 315.50 | Calculated Property |
Similar Compounds
Find more compounds similar to Phosphoric Acid.
Mixtures
- Benzene, (1-methylethyl)- + Water + Phosphoric Acid
- Benzene, ethyl- + Water + Phosphoric Acid
- Potassium phosphate, monobasic + Water + Phosphoric Acid
- 1-Octanol + Water + Phosphoric Acid
- potassium chloride + Water + Phosphoric Acid
- Water + Phosphoric Acid
- 2-Pentanol + Water + Phosphoric Acid
- 2-Pentanol, 4-methyl- + Water + Phosphoric Acid
- 1,3-Dioxolan-2-one, 4-methyl- + Water + Phosphoric Acid
- 1-Butanol + Water + Phosphoric Acid
- Acetic acid, butyl ester + Water + Phosphoric Acid
- Acetic acid, propyl ester + Water + Phosphoric Acid
- Acetic acid, pentyl ester + Water + Phosphoric Acid
- 1-Butanol, 3-methyl-, acetate + Water + Phosphoric Acid
- 2-Hexanone, 5-methyl- + Water + Phosphoric Acid
- Acetic acid, hexyl ester + Water + Phosphoric Acid
- Acetic acid, cyclohexyl ester + Water + Phosphoric Acid
- Cyclohexane + Water + Phosphoric Acid
- Acetic acid, 2-methylpropyl ester + Water + Phosphoric Acid
- Amylene hydrate + Water + Phosphoric Acid
Find more mixtures with Phosphoric Acid.
Sources
- Jean-Claude Bradley Open Melting Point Dataset (2014, CC0) ChEDL chemicals 1.5.2, from Bradley, J.-C.; Williams, A.; Lang, A. Jean-Claude Bradley Open Melting Point Dataset. Figshare, 2014 (CC0).
- 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
- Thermal-Conductivity Measurements of Aqueous Orthophosphoric Acid Solutions in the Temperature Range from (293 to 400) K and at Pressures up to 15 MPa
- Liquid phase equilibria of the system (water + phosphoric acid + 1-octanol) at T = (298.2, 308.2, and 318.2) K
- Experimental study of phase equilibria in aqueous mixtures of phosphoric acid with isoamyl acetate and methyl isoamyl ketone at T = (298.2, 308.2, and 318.2) K
- Determination of related systems' solubility data (I) in the preparation process of K2SO4 or KH2PO4 by the solvent extraction method
- An investigation on the solid-liquid phase equilibrium of the quaternary system KH2PO4-H3PO4-CH2OHCH2OH-H2O
- Liquid phase equilibria of (water + phosphoric acid + 1-butanol or butyl acetate) ternary systems at T = 308.2 K
- (Liquid + liquid) equilibria in ternary aqueous mixtures of phosphoric acid with organic solvents at T = 298.2 K
- (Liquid + liquid) equilibrium data of (water + phosphoric acid + solvents) systems at T = (308.2 and 318.2) K
- Comparative study of density, sound velocity and refractive index for (water + alkali metal) phosphates aqueous systems at T = (298.15, 303.15, and 308.15) K
- Standard enthalpy of formation of lithium diphosphate
- Diffusion coefficients and VLE data of aqueous phosphoric acid
- Salting-out effect on the (liquid + liquid) equilibrium for the ternary systems (water + phosphoric acid + dichloromethane or 1,2-dichloroethane)
- Standard enthalpy, entropy and Gibbs free energy of formation of "B" type carbonate fluorapatites
- Solubility and physic-chemical properties of NaH2PO4 in phosphoric acid, sodium chloride and their mixture solutions at T = (298.15 and 313.15) K
- Experimental and correlational study of phase equilibria in aqueous mixtures of phosphoric acid with aromatic hydrocarbons at various temperatures
- Liquid-liquid equilibria study of the (water + phosphoric acid + hexyl or cyclohexyl acetate) systems at T = (298.15, 308.15, and 318.15) K: Measurement and thermodynamic modelling
- Liquid-liquid equilibrium study for the system (water + phosphoric acid + propylene carbonate) at different temperatures
- Experimental and correlated liquid-liquid equilibrium data for water-phosphoric acid-ester
- Experimental and modeling study of liquid phase equilibria for (water + phosphoric acid + sec-alcohols) systems
- Solubility and Tie Line Data of the Water - Phosphoric Acid Solvents at T = (303.2 and 313.2) K: An Experimental and Correlational Study
- Determination and Correlation of Vapor Liquid Equilibria for the Phosphoric Acid + Water + Cyclohexane + Ethanol System
- Phase equilibrium in the System KH2PO4 + KCl + H3PO4 at 298.15 K and 308.15 K
- Liquid-Liquid-Solid Equilibria in the Ternary System Water-Phosphoric Acid-Cyclohexane at 25 and 35 deg.C: Stability Domain of Hemihydrate and Anhydrous Phosphoric Acid
- Liquid-Liquid Equilibria of the System Water/Phosphoric Acid/ Diisopropyl Ether at (273.15, 283.15, and 293.15) K
- Solubility of Urea Phosphate in Water + Phosphoric Acid from (277.00 to 354.50) K
- Liquid-Liquid Equilibrium in the System Phosphoric Acid/Water/Tri-n-butyl Phosphate/Calcium Chloride
- Density, Viscosity, and Thermal Conductivity of Electronic Grade Phosphoric Acid
- Liquid Liquid Equilibria for the Quaternary System H3PO4-NaCl-H2O-TBP at 298.15 K
- Solubility of KH2PO4 in KCl, H3PO4, and Their Mixture Solutions
- Viscosity of the Tributyl Phosphate + Methyl Isobutyl Ketone + Phosphoric Acid System
- Viscosities, Refractive Indexes, and Conductivities of Phosphoric Acid in N,N-Dimethylformamide + Water Mixtures
- KDB
- McGowan Method
- NIST Webbook
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