Properties of 1-Butyne-1,4-diol

Thermophysical properties for 1-Butyne-1,4-diol (CAS: 628-23-9). 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

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

Open Calculator

Identification

  • Atoms
    C: 4, H: 6, O: 2
  • CAS
    628-23-9
  • Formula
    C4H6O2
  • ID
    628-23-9
  • InChI
    C4H6O2/c5-3-1-2-4-6/h5-6H,1,3H2
  • InChI Key
    JSPXPZKDILSYNN-UHFFFAOYSA-N
  • IUPAC Name
    but-1-yne-1,4-diol
  • Molecular Weight (kg)
    86.0892
  • Phase
    s
  • PubChem ID
    1.3931e+7
  • SMILES
    OC#CCCO
  • Synonyms

Physical Properties

  • Acentric factor
  • Critical pressure (bar)
    63.1886
  • Critical temperature (°C)
    324.65
  • Critical volume (m³/kmol)
    0.2595
  • Dipole moment
  • Melting temperature (°C)
    89.43
  • Normal boiling temperature (°C)
    211.33

State-dependent Properties

  • API gravity
    51.868
  • Compressibility factor
    0.00397151
  • Density (kg/m³)
    886.014
  • 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))
    104.889
  • Molar volume (m³/kmol)
    0.0971646
  • Parachor
    6.4789e-5
  • Poynting correction factor
    1.00456
  • Prandtl number
  • Saturation pressure (bar)
    1.2250e-6
  • Saturation temperature (°C)
    211.33
  • Solubility parameter
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    0.886886
  • Specific heat capacity (kJ/kg·K)
    1.21838
  • Surface tension
    0.112267
  • Thermal conductivity
  • Thermal diffusivity

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    -273.15
  • Lower flammability limit
    0.0245317
  • Upper flammability limit
    0.156111

Environmental Properties

  • Global warming potential
  • Ozone depletion potential