Properties of 1-Heneicosyne

Thermophysical properties for 1-Heneicosyne (CAS: 61847-81-2). 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: 21, H: 40
  • CAS
    61847-81-2
  • Formula
    C21H40
  • ID
    61847-81-2
  • InChI
    C21H40/c1-3-5-7-9-11-13-15-17-19-21-20-18-16-14-12-10-8-6-4-2/h1H,4-21H2,2H3
  • InChI Key
    PSBUULCRXUYAQY-UHFFFAOYSA-N
  • IUPAC Name
    henicos-1-yne
  • Molecular Weight (kg)
    292.542
  • Phase
    s
  • PubChem ID
    1.4682e+7
  • SMILES
    C#CCCCCCCCCCCCCCCCCCCC
  • Synonyms

Physical Properties

  • Acentric factor
    0.764
  • Critical pressure (bar)
    10.5
  • Critical temperature (°C)
    509.27
  • Critical volume (m³/kmol)
    1.1735
  • Dipole moment
  • Melting temperature (°C)
    100.25
  • Normal boiling temperature (°C)
    354

State-dependent Properties

  • API gravity
    43.7034
  • Compressibility factor
    0.0134152
  • Density (kg/m³)
    891.332
  • Dynamic viscosity (cP)
    0
  • Enthalpy of vaporization (mass) (kJ)
    317.279
  • Enthalpy of vaporization (molar) (kJ/kmol)
    9.2818e+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))
    481.395
  • Molar volume (m³/kmol)
    0.328208
  • Parachor
    1.5154e-4
  • Poynting correction factor
    1.01499
  • Prandtl number
  • Saturation pressure (bar)
    6.5119e-8
  • Saturation temperature (°C)
    351.585
  • Solubility parameter
    1.5752e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    0.892209
  • Specific heat capacity (kJ/kg·K)
    1.64556
  • Surface tension
    0.0282727
  • Thermal conductivity
  • Thermal diffusivity

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    -273.15
  • Lower flammability limit
    0.00370221
  • Upper flammability limit
    0.0235595

Environmental Properties

  • Global warming potential
  • Ozone depletion potential