Properties of sodium sulfate

Thermophysical properties for sodium sulfate (CAS: 7757-82-6). 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

Need properties at a different state? Use our interactive calculator.

Open Calculator

Identification

  • Atoms
    Na: 2, O: 4, S: 1
  • CAS
    7757-82-6
  • Formula
    Na2O4S
  • ID
    7757-82-6
  • InChI
    2Na.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2
  • InChI Key
    PMZURENOXWZQFD-UHFFFAOYSA-L
  • IUPAC Name
    disodium;sulfate
  • Molecular Weight (kg)
    142.042
  • Phase
    s
  • PubChem ID
    2.4436e+4
  • SMILES
    [O-]S(=O)(=O)[O-].[Na+].[Na+]
  • Synonyms

Physical Properties

  • Acentric factor
  • Critical pressure (bar)
    0
  • Critical temperature (°C)
    -273.15
  • Critical volume (m³/kmol)
    0
  • Dipole moment
  • Melting temperature (°C)
    884
  • Normal boiling temperature (°C)
    -273.15

State-dependent Properties

  • Compressibility factor
    0.00215032
  • Density (kg/m³)
    2699.98
  • Dynamic viscosity (cP)
    0
  • Enthalpy of vaporization (mass) (kJ)
    0
  • Enthalpy of vaporization (molar) (kJ/kmol)
  • 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))
    137.235
  • Molar volume (m³/kmol)
    0.0526085
  • Parachor
  • Poynting correction factor
  • Prandtl number
  • Saturation pressure (bar)
    1.3478e-52
  • Solubility parameter
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    2.70264
  • Specific heat capacity (kJ/kg·K)
    0.966158
  • Surface tension
  • Thermal conductivity
  • Thermal diffusivity

Safety Properties

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

Environmental Properties

  • Global warming potential
  • Ozone depletion potential

Failed Properties:

  • API gravityFailed
  • Saturation temperature (°C)Failed