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Properties of sulfuric acid, dibutyl ester

Thermophysical properties for sulfuric acid, dibutyl ester (CAS: 625-22-9). 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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Identification

  • Atoms
    C: 8, H: 18, O: 4, S: 1
  • CAS
    625-22-9
  • Formula
    C8H18O4S
  • ID
    625-22-9
  • InChI
    C8H18O4S/c1-3-5-7-11-13(9,10)12-8-6-4-2/h3-8H2,1-2H3
  • InChI Key
    LMEDOLJKVASKTP-UHFFFAOYSA-N
  • IUPAC Name
    dibutyl sulfate
  • Molecular Weight (kg)
    210.291
  • Phase
    l
  • PubChem ID
    1.2239e+4
  • SMILES
    CCCCOS(=O)(=O)OCCCC
  • Synonyms

Physical Properties

  • Acentric factor
    0.345
  • Critical pressure (bar)
    60
  • Critical temperature (°C)
    540.85
  • Critical volume (m³/kmol)
    0.609
  • Dipole moment
  • Melting temperature (°C)
    -79.65
  • Normal boiling temperature (°C)
    -273.15

State-dependent Properties

  • API gravity
    -2.22733
  • Compressibility factor
    0.00789792
  • Density (kg/m³)
    1088.32
  • Dynamic viscosity (cP)
    1.07624
  • Enthalpy of vaporization (mass) (kJ)
    305.494
  • Enthalpy of vaporization (molar) (kJ/kmol)
    6.4243e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    -4.6926e-7
  • Kinematic viscosity
    9.8891e-7
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    349.158
  • Molar volume (m³/kmol)
    0.193226
  • Parachor
    8.1524e-5
  • Poynting correction factor
    1.00793
  • Prandtl number
    16.7011
  • Saturation pressure (bar)
    3.7988e-5
  • Saturation temperature (°C)
    249.037
  • Solubility parameter
    1.7879e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    1.08939
  • Specific heat capacity (kJ/kg·K)
    1.66035
  • Surface tension
    0.0306982
  • Thermal conductivity
    0.106996
  • Thermal diffusivity
    5.9212e-8

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    -273.15
  • Lower flammability limit
    0.00966125
  • Upper flammability limit
    0.0611124

Environmental Properties

  • Global warming potential
  • Ozone depletion potential