Properties of 1,2,3-trimethylindene

Thermophysical properties for 1,2,3-trimethylindene (CAS: 4773-83-5). 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
    C: 12, H: 14
  • CAS
    4773-83-5
  • Formula
    C12H14
  • ID
    4773-83-5
  • InChI
    C12H14/c1-8-9(2)11-6-4-5-7-12(11)10(8)3/h4-7,9H,1-3H3
  • InChI Key
    NPXPQDMZVKFLKB-UHFFFAOYSA-N
  • IUPAC Name
    1,2,3-trimethyl-1h-indene
  • Molecular Weight (kg)
    158.24
  • Phase
    s
  • PubChem ID
    5.8878e+5
  • SMILES
    CC1C(=C(C2=CC=CC=C12)C)C
  • Synonyms

Physical Properties

  • Acentric factor
    0.441
  • Critical pressure (bar)
    27.7
  • Critical temperature (°C)
    452.85
  • Critical volume (m³/kmol)
    0.529
  • Dipole moment
  • Melting temperature (°C)
    34.53
  • Normal boiling temperature (°C)
    235.85

State-dependent Properties

  • API gravity
    19.1863
  • Compressibility factor
    0.00619936
  • Density (kg/m³)
    1043.32
  • Dynamic viscosity (cP)
    0
  • Enthalpy of vaporization (mass) (kJ)
    385.36
  • Enthalpy of vaporization (molar) (kJ/kmol)
    6.0979e+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))
    219.303
  • Molar volume (m³/kmol)
    0.15167
  • Parachor
    7.3674e-5
  • Poynting correction factor
    1.00696
  • Prandtl number
  • Saturation pressure (bar)
    9.5452e-5
  • Saturation temperature (°C)
    235.481
  • Solubility parameter
    1.8571e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    1.04434
  • Specific heat capacity (kJ/kg·K)
    1.38589
  • Surface tension
    0.0346135
  • Thermal conductivity
  • Thermal diffusivity

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    -273.15
  • Lower flammability limit
    0.00735491
  • Upper flammability limit
    0.046804

Environmental Properties

  • Global warming potential
  • Ozone depletion potential