Properties of l-Lactic acid

Thermophysical properties for l-Lactic acid (CAS: 79-33-4). 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: 3, H: 6, O: 3
  • CAS
    79-33-4
  • Formula
    C3H6O3
  • ID
    79-33-4
  • InChI
    C3H6O3/c1-2(4)3(5)6/h2,4H,1H3,(H,5,6)/t2-/m0/s1
  • InChI Key
    JVTAAEKCZFNVCJ-REOHCLBHSA-N
  • IUPAC Name
    (2s)-2-hydroxypropanoic acid
  • Molecular Weight (kg)
    90.0779
  • Phase
    s
  • PubChem ID
    1.0769e+5
  • SMILES
    C[C@H](O)C(=O)O
  • Synonyms

Physical Properties

  • Acentric factor
  • Critical pressure (bar)
    57.6539
  • Critical temperature (°C)
    421.658
  • Critical volume (m³/kmol)
    0.2405
  • Dipole moment
  • Melting temperature (°C)
    53
  • Normal boiling temperature (°C)
    125

State-dependent Properties

  • API gravity
    -14.6682
  • Compressibility factor
    0.00276277
  • Density (kg/m³)
    1332.67
  • Dynamic viscosity (cP)
    0
  • Enthalpy of vaporization (mass) (kJ)
    767.113
  • Enthalpy of vaporization (molar) (kJ/kmol)
    6.9100e+4
  • 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))
    105.799
  • Molar volume (m³/kmol)
    0.0675922
  • Parachor
    3.1957e-5
  • Poynting correction factor
    1.00294
  • Prandtl number
  • Saturation pressure (bar)
    0.0423631
  • Saturation temperature (°C)
    125
  • Solubility parameter
    2.9809e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    1.33398
  • Specific heat capacity (kJ/kg·K)
    1.17453
  • Surface tension
    0.0325986
  • Thermal conductivity
  • Thermal diffusivity

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    -273.15
  • Lower flammability limit
    0.0367751
  • Upper flammability limit
    0.160579

Environmental Properties

  • Global warming potential
  • Ozone depletion potential