Properties of citric acid
Thermophysical properties for citric acid (CAS: 77-92-9). Use the selector below to view properties in different unit systems.
Calculation Conditions
The following state-dependent properties were calculated at these standard conditions.
Temperature
25 °C
Pressure
1.01325 bar
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Open CalculatorIdentification
- AtomsC: 6, H: 8, O: 7
- CAS77-92-9
- FormulaC6H8O7
- ID77-92-9
- InChIC6H8O7/c7-3(8)1-6(13,5(11)12)2-4(9)10/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12)
- InChI KeyKRKNYBCHXYNGOX-UHFFFAOYSA-N
- IUPAC Name2-oxidanylpropane-1,2,3-tricarboxylic acid
- Molecular Weight (kg)192.124
- Phases
- PubChem ID311
- SMILESC(C(=O)O)C(CC(=O)O)(C(=O)O)O
- Synonyms
Physical Properties
- Acentric factor1.845
- Critical pressure (bar)37.98
- Critical temperature (°C)548.85
- Critical volume (m³/kmol)0.4197
- Dipole moment
- Melting temperature (°C)153
- Normal boiling temperature (°C)385.85
State-dependent Properties
- API gravity-39.3233
- Compressibility factor0.00459679
- Density (kg/m³)1708.34
- Dynamic viscosity (cP)0
- Enthalpy of vaporization (mass) (kJ)1057.75
- Enthalpy of vaporization (molar) (kJ/kmol)2.0322e+5
- Gibbs free energy (kJ/kmol)0
- Joule–Thomson coefficient
- Kinematic viscosity
- Molar enthalpy (kJ/kmol)0
- Molar entropy (kJ/(kmol·K))0
- Molar heat capacity (kJ/(kmol·K))191.317
- Molar volume (m³/kmol)0.112462
- Parachor7.0513e-5
- Poynting correction factor1.00515
- Prandtl number
- Saturation pressure (bar)1.1894e-15
- Saturation temperature (°C)384.864
- Solubility parameter3.9980e+4
- Specific enthalpy (kJ)0
- Specific entropy (kJ/kg·K)0
- Specific gravity1.71002
- Specific heat capacity (kJ/kg·K)0.9958
- Surface tension0.0973607
- Thermal conductivity
- Thermal diffusivity
Safety Properties
- Autoignition temperature (°C)-273.15
- Flash point temperature (°C)-273.15
- Lower flammability limit0.0263591
- Upper flammability limit0.133288
Environmental Properties
- Global warming potential
- Ozone depletion potential