Properties of formamide

Thermophysical properties for formamide (CAS: 75-12-7). 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: 1, H: 3, N: 1, O: 1
  • CAS
    75-12-7
  • Formula
    CH3NO
  • ID
    75-12-7
  • InChI
    CH3NO/c2-1-3/h1H,(H2,2,3)
  • InChI Key
    ZHNUHDYFZUAESO-UHFFFAOYSA-N
  • IUPAC Name
    methanamide
  • Molecular Weight (kg)
    45.0406
  • Phase
    l
  • PubChem ID
    713
  • SMILES
    C(=O)N
  • Synonyms

Physical Properties

  • Acentric factor
    0.4378
  • Critical pressure (bar)
    78
  • Critical temperature (°C)
    497.85
  • Critical volume (m³/kmol)
    0.125
  • Dipole moment
    3.73
  • Melting temperature (°C)
    2
  • Normal boiling temperature (°C)
    217

State-dependent Properties

  • API gravity
    -7.18332
  • Compressibility factor
    0.00163044
  • Density (kg/m³)
    1129.14
  • Dynamic viscosity (cP)
    3.3027
  • Enthalpy of vaporization (mass) (kJ)
    1372.4
  • Enthalpy of vaporization (molar) (kJ/kmol)
    6.1814e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    -2.8732e-7
  • Kinematic viscosity
    2.9250e-6
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    107.812
  • Molar volume (m³/kmol)
    0.0398893
  • Parachor
    1.9532e-5
  • Poynting correction factor
    1.00163
  • Prandtl number
    22.8519
  • Saturation pressure (bar)
    8.8206e-5
  • Saturation temperature (°C)
    219.568
  • Solubility parameter
    3.8568e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    1.13025
  • Specific heat capacity (kJ/kg·K)
    2.39366
  • Surface tension
    0.0571113
  • Thermal conductivity
    0.345947
  • Thermal diffusivity
    1.2800e-7

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    154.444
  • Lower flammability limit
    0.0751294
  • Upper flammability limit
    0.201033

Environmental Properties

  • Global warming potential
  • Ozone depletion potential