Properties of thiourea

Thermophysical properties for thiourea (CAS: 62-56-6). 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

Need properties at a different state? Use our interactive calculator.

Open Calculator

Identification

  • Atoms
    C: 1, H: 4, N: 2, S: 1
  • CAS
    62-56-6
  • Formula
    CH4N2S
  • ID
    62-56-6
  • InChI
    CH4N2S/c2-1(3)4/h(H4,2,3,4)
  • InChI Key
    UMGDCJDMYOKAJW-UHFFFAOYSA-N
  • IUPAC Name
    thiourea
  • Molecular Weight (kg)
    76.1209
  • Phase
    s
  • PubChem ID
    2.7238e+6
  • SMILES
    C(=S)(N)N
  • Synonyms

Physical Properties

  • Acentric factor
    0.3586
  • Critical pressure (bar)
    82.3
  • Critical temperature (°C)
    580.85
  • Critical volume (m³/kmol)
    0.248
  • Dipole moment
  • Melting temperature (°C)
    177
  • Normal boiling temperature (°C)
    -273.15

State-dependent Properties

  • API gravity
    12.8189
  • Compressibility factor
    0.00296146
  • Density (kg/m³)
    1050.62
  • Dynamic viscosity (cP)
    0
  • Enthalpy of vaporization (mass) (kJ)
    916.863
  • Enthalpy of vaporization (molar) (kJ/kmol)
    6.9792e+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))
    73.2961
  • Molar volume (m³/kmol)
    0.0724534
  • Parachor
    4.0513e-5
  • Poynting correction factor
    1.0032
  • Prandtl number
  • Saturation pressure (bar)
    1.1515e-5
  • Saturation temperature (°C)
    262.692
  • Solubility parameter
    2.9367e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    1.05165
  • Specific heat capacity (kJ/kg·K)
    0.962891
  • Surface tension
    0.0716658
  • Thermal conductivity
  • Thermal diffusivity

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    -273.15
  • Lower flammability limit
    0.041227
  • Upper flammability limit
    0.168911

Environmental Properties

  • Global warming potential
  • Ozone depletion potential