Properties of malic acid

Thermophysical properties for malic acid (CAS: 6915-15-7). 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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Identification

  • Atoms
    C: 4, H: 6, O: 5
  • CAS
    6915-15-7
  • Formula
    C4H6O5
  • ID
    6915-15-7
  • InChI
    C4H6O5/c5-2(4(8)9)1-3(6)7/h2,5H,1H2,(H,6,7)(H,8,9)
  • InChI Key
    BJEPYKJPYRNKOW-UHFFFAOYSA-N
  • IUPAC Name
    2-oxidanylbutanedioic acid
  • Molecular Weight (kg)
    134.087
  • Phase
    s
  • PubChem ID
    525
  • SMILES
    C(C(C(=O)O)O)C(=O)O
  • Synonyms

Physical Properties

  • Acentric factor
    1.526
  • Critical pressure (bar)
    50.7
  • Critical temperature (°C)
    507.85
  • Critical volume (m³/kmol)
    0.331
  • Dipole moment
    3.118
  • Melting temperature (°C)
    131
  • Normal boiling temperature (°C)
    328.85

State-dependent Properties

  • API gravity
    -26.3078
  • Compressibility factor
    0.00367854
  • Density (kg/m³)
    1489.91
  • Dynamic viscosity (cP)
    0
  • Enthalpy of vaporization (mass) (kJ)
    1171.19
  • Enthalpy of vaporization (molar) (kJ/kmol)
    1.5704e+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))
    136.183
  • Molar volume (m³/kmol)
    0.089997
  • Parachor
    5.5503e-5
  • Poynting correction factor
    1.0041
  • Prandtl number
  • Saturation pressure (bar)
    7.5185e-12
  • Saturation temperature (°C)
    328.401
  • Solubility parameter
    3.9298e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    1.49138
  • Specific heat capacity (kJ/kg·K)
    1.01563
  • Surface tension
    0.093046
  • Thermal conductivity
  • Thermal diffusivity

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    -273.15
  • Lower flammability limit
    0.0359948
  • Upper flammability limit
    0.229058

Environmental Properties

  • Global warming potential
  • Ozone depletion potential