- InChI
- InChI=1S/C4H8O2.K/c1-2-3-4(5)6;/h2-3H2,1H3,(H,5,6);/q;+1/p-1
- InChI Key
- RWMKSKOZLCXHOK-UHFFFAOYSA-M
- Formula
- C4H7KO2
- SMILES
- CCCC(=O)[O-].[K+]
- Molecular Weight1
- 126.20
- Other Names
-
- butanoic acid, potassium salt
- butyric acid, potassium salt
- potassium butanoate
- potassium n-butyrate
- ω : Acentric Factor.
- Cp,solid : Solid phase heat capacity (J/mol×K).
- 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.
- Pc : Critical Pressure (kPa).
- S°solid,1 bar : Solid phase molar entropy at standard conditions (J/mol×K).
- 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 | 0.1627 | Relay (1.0) Calculated Property | |
| ΔfG° | -185.94 | kJ/mol | Relay (1.0-beta) Calculated Property |
| ΔfH°gas | -567.63 | kJ/mol | Relay (1.0) Calculated Property |
| ΔvapH° | 41.20 | kJ/mol | Relay (1.0) Calculated Property |
| IE | 7.34 | eV | Relay (1.0) Calculated Property |
| log10WS | -0.66 | Relay (1.0) Calculated Property | |
| Pc | 2796.31 | kPa | Relay (1.0-beta) Calculated Property |
| S°solid,1 bar | 211.52 | J/mol×K | NIST |
| Tboil | 588.89 | K | Relay (1.0) Calculated Property |
| Tc | 883.94 | K | Relay (1.0) Calculated Property |
| Tfus | 667.00 | K | Thermal Behavior of Potassium C1-C12 n-Alkanoates and Its Relevance to Fischer Tropsch |
| Vc | 0.237 | m3/kmol | Relay (1.0) Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,solid | 157.97 | J/mol×K | 298.15 | NIST |
Similar Compounds
Find more compounds similar to Potassium butyrate.
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.
- Thermal Behavior of Potassium C1-C12 n-Alkanoates and Its Relevance to Fischer Tropsch
- NIST Webbook
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