Properties of ammonium sulfide

Thermophysical properties for ammonium sulfide (CAS: 12135-76-1). 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
    H: 8, N: 2, S: 1
  • CAS
    12135-76-1
  • Formula
    H8N2S
  • ID
    12135-76-1
  • InChI
    2H3N.S/h2*1H3;/q;;-2/p+2
  • InChI Key
    UYJXRRSPUVSSMN-UHFFFAOYSA-P
  • IUPAC Name
    diazanium;sulfide
  • Molecular Weight (kg)
    68.1419
  • Phase
    l
  • PubChem ID
    2.5519e+4
  • SMILES
    [NH4+].[NH4+].[S-2]
  • Synonyms

Physical Properties

  • Acentric factor
    0.208266
  • Critical pressure (bar)
    31.54
  • Critical temperature (°C)
    205.85
  • Critical volume (m³/kmol)
    0.24
  • Dipole moment
  • Melting temperature (°C)
    -273.15
  • Normal boiling temperature (°C)
    40

State-dependent Properties

  • API gravity
    51.5897
  • Compressibility factor
    0.00365958
  • Density (kg/m³)
    761.08
  • Dynamic viscosity (cP)
    0.188467
  • Enthalpy of vaporization (mass) (kJ)
    375.266
  • Enthalpy of vaporization (molar) (kJ/kmol)
    2.5571e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    -3.9929e-7
  • Kinematic viscosity
    2.4763e-7
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    120.383
  • Molar volume (m³/kmol)
    0.0895332
  • Parachor
    3.3395e-5
  • Poynting correction factor
    1.00151
  • Prandtl number
    2.70244
  • Saturation pressure (bar)
    0.596151
  • Saturation temperature (°C)
    40.3991
  • Solubility parameter
    1.6060e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    0.761829
  • Specific heat capacity (kJ/kg·K)
    1.76665
  • Surface tension
    0.0190723
  • Thermal conductivity
    0.123205
  • Thermal diffusivity
    9.1632e-8

Safety Properties

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

Environmental Properties

  • Global warming potential
  • Ozone depletion potential