Properties of 1,2-Benzisoxazol-3(2H)-one

Thermophysical properties for 1,2-Benzisoxazol-3(2H)-one (CAS: 21725-69-9). 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: 7, H: 5, N: 1, O: 2
  • CAS
    21725-69-9
  • Formula
    C7H5NO2
  • ID
    21725-69-9
  • InChI
    C7H5NO2/c9-7-5-3-1-2-4-6(5)10-8-7/h1-4H,(H,8,9)
  • InChI Key
    QLDQYRDCPNBPII-UHFFFAOYSA-N
  • IUPAC Name
    1,2-benzoxazol-3-one
  • Molecular Weight (kg)
    135.12
  • Phase
    s
  • PubChem ID
    2.1083e+5
  • SMILES
    Oc1noc2ccccc12
  • Synonyms

Physical Properties

  • Acentric factor
  • Critical pressure (bar)
    65.6704
  • Critical temperature (°C)
    550.395
  • Critical volume (m³/kmol)
    0.2995
  • Dipole moment
  • Melting temperature (°C)
    145.5
  • Normal boiling temperature (°C)
    290.11

State-dependent Properties

  • API gravity
    -25.5538
  • Compressibility factor
    0.00382037
  • Density (kg/m³)
    1445.65
  • 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))
    136.34
  • Molar volume (m³/kmol)
    0.0934668
  • Parachor
    5.4518e-5
  • Poynting correction factor
    1.00417
  • Prandtl number
  • Saturation pressure (bar)
    8.1064e-6
  • Saturation temperature (°C)
    290.11
  • Solubility parameter
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    1.44707
  • Specific heat capacity (kJ/kg·K)
    1.00903
  • Surface tension
    0.081059
  • Thermal conductivity
  • Thermal diffusivity

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    -273.15
  • Lower flammability limit
    0.0154886
  • Upper flammability limit
    0.0985638

Environmental Properties

  • Global warming potential
  • Ozone depletion potential