Properties of sodium bisulfite

Thermophysical properties for sodium bisulfite (CAS: 7631-90-5). 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
    H: 1, Na: 1, O: 3, S: 1
  • CAS
    7631-90-5
  • Formula
    HNaO3S
  • ID
    7631-90-5
  • InChI
    Na.H2O3S/c;1-4(2)3/h;(H2,1,2,3)/q+1;/p-1
  • InChI Key
    DWAQJAXMDSEUJJ-UHFFFAOYSA-M
  • IUPAC Name
    sodium;hydrogen sulfite
  • Molecular Weight (kg)
    104.061
  • Phase
    s
  • PubChem ID
    2.3666e+7
  • SMILES
    OS(=O)[O-].[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)
    150
  • Normal boiling temperature (°C)
    -273.15

State-dependent Properties

  • Compressibility factor
    0.00287391
  • Density (kg/m³)
    1480
  • 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))
    58.468
  • Molar volume (m³/kmol)
    0.0703115
  • Parachor
  • Poynting correction factor
  • Prandtl number
  • Saturation pressure (bar)
    0
  • Solubility parameter
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    1.48145
  • Specific heat capacity (kJ/kg·K)
    0.561863
  • 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