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Properties of 4-Methyl-2H-1,4-benzoxazin-3(4H)-one

Thermophysical properties for 4-Methyl-2H-1,4-benzoxazin-3(4H)-one (CAS: 21744-84-3). 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: 9, H: 9, N: 1, O: 2
  • CAS
    21744-84-3
  • Formula
    C9H9NO2
  • ID
    21744-84-3
  • InChI
    C9H9NO2/c1-10-7-4-2-3-5-8(7)12-6-9(10)11/h2-5H,6H2,1H3
  • InChI Key
    DBJMEBUKQVZWMD-UHFFFAOYSA-N
  • IUPAC Name
    4-methyl-1,4-benzoxazin-3-one
  • Molecular Weight (kg)
    163.173
  • Phase
    s
  • PubChem ID
    8.9032e+4
  • SMILES
    CN1C(=O)COc2ccccc21
  • Synonyms

Physical Properties

  • Acentric factor
  • Critical pressure (bar)
    40.1084
  • Critical temperature (°C)
    520.951
  • Critical volume (m³/kmol)
    0.4355
  • Dipole moment
  • Melting temperature (°C)
    57.5
  • Normal boiling temperature (°C)
    282.65

State-dependent Properties

  • API gravity
    -12.4186
  • Compressibility factor
    0.00508239
  • Density (kg/m³)
    1312.29
  • 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))
    186.314
  • Molar volume (m³/kmol)
    0.124343
  • Parachor
    6.6690e-5
  • Poynting correction factor
    1.00567
  • Prandtl number
  • Saturation pressure (bar)
    2.5431e-5
  • Saturation temperature (°C)
    282.65
  • Solubility parameter
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    1.31358
  • Specific heat capacity (kJ/kg·K)
    1.14182
  • Surface tension
    0.0528987
  • Thermal conductivity
  • Thermal diffusivity

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    -273.15
  • Lower flammability limit
    0.0110464
  • Upper flammability limit
    0.0702952

Environmental Properties

  • Global warming potential
  • Ozone depletion potential